Introduction to Linear Algebra (Classic Version) (5th Edition) (Pearson Modern Classics for Advanced Mathematics Series)
5th Edition
ISBN: 9780134689531
Author: Lee Johnson, Dean Riess, Jimmy Arnold
Publisher: PEARSON
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Chapter 3.8, Problem 9E
To determine
To find:
The least-squares linear fit and plot the data points and the linear approximation.
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Chapter 3 Solutions
Introduction to Linear Algebra (Classic Version) (5th Edition) (Pearson Modern Classics for Advanced Mathematics Series)
Ch. 3.1 - Prob. 1ECh. 3.1 - Prob. 2ECh. 3.1 - Exercises 1-11 refer to the vectors given in 1....Ch. 3.1 - Prob. 4ECh. 3.1 - Exercises 1-11 refer to the vectors given in 1....Ch. 3.1 - Prob. 6ECh. 3.1 - Exercises 1-11 refer to the vectors given in 1....Ch. 3.1 - Exercises 1-11 refer to the vectors given in 1....Ch. 3.1 - Exercises 1-11 refer to the vectors given in 1....Ch. 3.1 - Prob. 10E
Ch. 3.1 - Exercises 1-11 refer to the vectors given in 1....Ch. 3.1 - In Exercises 12-17, interpret the subset W of R2...Ch. 3.1 - In Exercises 12-17, interpret the subset W of R2...Ch. 3.1 - In Exercises 12-17, interpret the subset W of R2...Ch. 3.1 - In Exercises 12-17, interpret the subset W of R2...Ch. 3.1 - In Exercises 12-17, interpret the subset W of R2...Ch. 3.1 - Prob. 17ECh. 3.1 - Prob. 18ECh. 3.1 - In Exercises 18-21, Interpret the subset W of R3...Ch. 3.1 - In Exercises 18-21, Interpret the subset W of R3...Ch. 3.1 - Prob. 21ECh. 3.1 - In Exercises 22-26, give a set-theoretic...Ch. 3.1 - In Exercises 22-26, give a set theoretic...Ch. 3.1 - In Exercises 22-26, give a set theoretic...Ch. 3.1 - In Exercises 22-26, give a settheoretic...Ch. 3.1 - In Exercises 22-26, give a settheoretic...Ch. 3.1 - In Exercises 27-30, give a settheoretic...Ch. 3.1 - In Exercises 27-30, give a set theoretic...Ch. 3.1 - In Exercises 27-30, give a set theoretic...Ch. 3.1 - In Exercises 27-30, give a settheoretic...Ch. 3.2 - In Exercise 1-8, W is a subset of R2 consisting of...Ch. 3.2 - In Exercise 1-8, W is a subset of R2 consisting of...Ch. 3.2 - In Exercise 1-8, W is a subset of R2 consisting of...Ch. 3.2 - In Exercise 1-8, W is a subset of R2 consisting of...Ch. 3.2 - In Exercise 1-8, W is a subset of R2 consisting of...Ch. 3.2 - In Exercise 1-8, W is a subset of R2 consisting of...Ch. 3.2 - In Exercise 1-8, W is a subset of R2 consisting of...Ch. 3.2 - In Exercise 1-8, W is a subset of R2 consisting of...Ch. 3.2 - In Exercise 9-17, W is a subset of R3 consisting...Ch. 3.2 - In Exercise 9-17, W is a subset of R3 consisting...Ch. 3.2 - In Exercise 9-17, W is a subset of R3 consisting...Ch. 3.2 - In Exercise 9-17, W is a subset of R3 consisting...Ch. 3.2 - In Exercise 9-17, W is a subset of R3 consisting...Ch. 3.2 - In Exercise 9-17, W is a subset of R3 consisting...Ch. 3.2 - In Exercise 9-17, W is a subset of R3 consisting...Ch. 3.2 - In Exercise 9-17, W is a subset of R3 consisting...Ch. 3.2 - In Exercise 9-17, W is a subset of R3 consisting...Ch. 3.2 - Let abe a fixed vector in R3, and define Wto be...Ch. 3.2 - Let W be the subspace defined in Exercise 18,...Ch. 3.2 - Let W be the subspace defined in Exercise 18,...Ch. 3.2 - Let a and b be fixed vectors in R3, and let W be...Ch. 3.2 - In Exercises 22-25, W is the subspace of R3...Ch. 3.2 - Prob. 26ECh. 3.2 - In R2, suppose that scalar multiplication were...Ch. 3.2 - Let W=x:x=[x1x2],x20. In the statement of Theorem...Ch. 3.2 - In R3, a line through the origin is the set of all...Ch. 3.2 - If U and V are subsets of Rn, then the set U+V is...Ch. 3.2 - Let U and V be subspaces of Rn. Prove that the...Ch. 3.2 - Let U and V be the subspaces of R3 defined by...Ch. 3.2 - Let U and V be the subspaces of Rn a) Show that...Ch. 3.2 - Prob. 34ECh. 3.3 - Exercises 111 refer to the vectors in Eq. (14)....Ch. 3.3 - Exercises 111 refer to the vectors in Eq. (14)....Ch. 3.3 - Exercises 111 refer to the vectors in Eq. (14)....Ch. 3.3 - Exercises 111 refer to the vectors in Eq. (14)....Ch. 3.3 - Exercises 111 refer to the vectors in Eq. (14)....Ch. 3.3 - Exercises 111 refer to the vectors in Eq. (14)....Ch. 3.3 - Exercises 111 refer to the vectors in Eq. (14)....Ch. 3.3 - Exercises 111 refer to the vectors in Eq. (14)....Ch. 3.3 - Exercises 111 refer to the vectors in Eq. (14)....Ch. 3.3 - Exercises 111 refer to the vectors in Eq. (14)....Ch. 3.3 - Exercises 111 refer to the vectors in Eq. (14)....Ch. 3.3 - Exercises 12-19 refer to the vectors in Eq. 15....Ch. 3.3 - Exercises 12-19 refer to the vectors in Eq. 15....Ch. 3.3 - Exercises 12-19 refer to the vectors in Eq. 15....Ch. 3.3 - Exercise 1219 refer to the vector in Eq.15....Ch. 3.3 - Exercise 1219 refer to the vector in Eq.15....Ch. 3.3 - Exercise 1219 refer to the vector in Eq.15....Ch. 3.3 - Exercise 1219 refer to the vector in Eq.15....Ch. 3.3 - Exercise 1219 refer to the vector in Eq.15....Ch. 3.3 - Let S be the set given in Exercise 14. For each...Ch. 3.3 - Repeat Exercise 20. for the set S given in...Ch. 3.3 - Determine which of the vectors listed in Eq. (14)...Ch. 3.3 - Determine which of the vectors listed in Eq. (14)...Ch. 3.3 - Determine which of the vectors listed in Eq. (15)...Ch. 3.3 - Determine which of the vectors listed in Eq. (15)...Ch. 3.3 - In Exercise 2637, give an algebraic specification...Ch. 3.3 - In Exercise 2637, give an algebraic specification...Ch. 3.3 - In Exercise 2637, give an algebraic specification...Ch. 3.3 - In Exercise 2637, give an algebraic specification...Ch. 3.3 - In Exercise 2637, give an algebraic specification...Ch. 3.3 - In Exercise 2637, give an algebraic specification...Ch. 3.3 - In Exercises 26-27, give an algebraic...Ch. 3.3 - In Exercises 26-27, give an algebraic...Ch. 3.3 - In Exercise 2637, give an algebraic specification...Ch. 3.3 - In Exercise 2637, give an algebraic specification...Ch. 3.3 - In Exercise 2637, give an algebraic specification...Ch. 3.3 - In Exercise 2637, give an algebraic specification...Ch. 3.3 - Let A be the matrix given in Exercise 26. aFor...Ch. 3.3 - Repeat Exercise 38 for the matrix given in...Ch. 3.3 - Let A be the matrix given in Exercise 34. aFor...Ch. 3.3 - Repeat Exercise 40 for the given matrix in...Ch. 3.3 - Let...Ch. 3.3 - let W={x=[x1x2x3]:3x14x2+2x3=0}. Exhibit a (13)...Ch. 3.3 - Let S be the set of vectors given in Exercise 16....Ch. 3.3 - Let S be the set of vectors given in Exercise 17....Ch. 3.3 - In Exercises 46-49, use the technique illustrated...Ch. 3.3 - In Exercises 46-49, use the technique illustrated...Ch. 3.3 - In Exercises 46-49, use the technique illustrated...Ch. 3.3 - In Exercises 46-49, use the technique illustrated...Ch. 3.3 - Identify the range and the null space for each of...Ch. 3.3 - Prob. 51ECh. 3.3 - Let A be an (mr) matrix and B an (rn) matrix....Ch. 3.3 - Prob. 53ECh. 3.3 - Prob. 54ECh. 3.4 - In Exercises 18, let W be the subspace of R4...Ch. 3.4 - In Exercises 18, let W be the subspace of R4...Ch. 3.4 - In Exercises 18, let W be the subspace of R4...Ch. 3.4 - In Exercises 18, let W be the subspace of R4...Ch. 3.4 - In Exercises 18, let W be the subspace of R4...Ch. 3.4 - In Exercises 18, let W be the subspace of R4...Ch. 3.4 - In Exercises 18, let W be the subspace of R4...Ch. 3.4 - In Exercises 18, let W be the subspace of R4...Ch. 3.4 - Let W be the subspace described in Exercise 1. For...Ch. 3.4 - Let W be the subspace described in Exercise 2. For...Ch. 3.4 - In Exercises 11-16: a Find a matrix B in reduced...Ch. 3.4 - In Exercises 11-16: a Find a matrix B in reduced...Ch. 3.4 - In Exercises 11-16: a Find a matrix B in reduced...Ch. 3.4 - In Exercises 11-16: a Find a matrix B in reduced...Ch. 3.4 - In Exercises 1116: a) Find a matrix B in reduced...Ch. 3.4 - In Exercises 1116: a) Find a matrix B in reduced...Ch. 3.4 - Repeat Exercise 17 for the matrix given in...Ch. 3.4 - Repeat Exercise 17 for the matrix given in...Ch. 3.4 - Repeat Exercise 17 for the matrix given in...Ch. 3.4 - In Exercise 21-24 for the given set S: a Find a...Ch. 3.4 - In Exercise 21-24 for the given set S: a Find a...Ch. 3.4 - In Exercise 21-24 for the given set S: a Find a...Ch. 3.4 - In Exercise 21-24 for the given set S: a Find a...Ch. 3.4 - Find a basis for the null space of each of the...Ch. 3.4 - Find a basis for the range of each matrix in...Ch. 3.4 - Let S={v1,v2,v3} where v1=[121], v2=[111], and...Ch. 3.4 - Let S={v1,v2,v3}, where v1=[10], v2=[01] and...Ch. 3.4 - Let S={v1,v2,v3,v4}, where v1=[121],...Ch. 3.4 - Let B={v1,v2,v3} be a set of linearly independent...Ch. 3.4 - Let B={v1,v2,v3} be a subset of R3 such that...Ch. 3.4 - In Exercises 32-35, determine whether the given...Ch. 3.4 - In Exercises 32-35, determine whether the given...Ch. 3.4 - In Exercises 32-35, determine whether the given...Ch. 3.4 - In Exercises 32-35, determine whether the given...Ch. 3.4 - Find vector w in R3 such that w is not a linear...Ch. 3.4 - Prob. 37ECh. 3.4 - Prob. 38ECh. 3.4 - Recalling Exercises 38, prove that every basis for...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - Exercises 1-14 refer to the vectors in 15 u1=[11],...Ch. 3.5 - In Exercises 15-20, W is a subspace of R4...Ch. 3.5 - In Exercises 15-20, W is a subspace of R4...Ch. 3.5 - In Exercises 15-20, W is a subspace of R4...Ch. 3.5 - In Exercises 15-20, W is a subspace of R4...Ch. 3.5 - In Exercises 15-20, W is a subspace of R4...Ch. 3.5 - In Exercises 15-20, W is a subspace of R4...Ch. 3.5 - In Exercises 21-24, find a basis for N(A) and give...Ch. 3.5 - In Exercise 21-24, find a basis for N(A) and give...Ch. 3.5 - In Exercise 21-24, find a basis for N(A) and give...Ch. 3.5 - In Exercise 21-24, find a basis for N(A) and give...Ch. 3.5 - In Exercise 25-26, find a basis for R(A) and give...Ch. 3.5 - In Exercise 25-26, find a basis for R(A) and give...Ch. 3.5 - Let W be a subspace, and let S be a spanning set...Ch. 3.5 - Let W the subset of R4 defined by W={x:vTx=0}...Ch. 3.5 - Let W be the subspace of R4 defined by...Ch. 3.5 - Let W be a nonzero subspace of Rn. Show that W has...Ch. 3.5 - Suppose that {u1,u2,,up} is a basis for a subspace...Ch. 3.5 - Let U and V be subspace of Rn, and suppose that U...Ch. 3.5 - For each of the following, determine the largest...Ch. 3.5 - If A is a (34) matrix, prove that the columns of A...Ch. 3.5 - If A is a (43) matrix, prove that the rows of A...Ch. 3.5 - Let A be an (mn) matrix. Prove that rank (A)m and...Ch. 3.5 - Let A be an (23) matrix with rank 2. Show that the...Ch. 3.5 - Let A be an (34) matrix with nullity 1. Prove that...Ch. 3.5 - Prove that an (nn) matrix is nonsingular if and...Ch. 3.5 - Prob. 40ECh. 3.5 - Prob. 41ECh. 3.5 - Prob. 42ECh. 3.6 - In Exercises 14, verify that u1,u2,u3 is an...Ch. 3.6 - In Exercises 14, verify that u1,u2,u3 is an...Ch. 3.6 - In Exercises 14, verify that u1,u2,u3 is an...Ch. 3.6 - In Exercises 14, verify that u1,u2,u3 is an...Ch. 3.6 - In Exercises 58, find values a, b, and c such that...Ch. 3.6 - In Exercises 58, find values a, b, and c such that...Ch. 3.6 - In Exercises 58, find values a, b, and c such that...Ch. 3.6 - In Exercises 58, find values a, b, and c such that...Ch. 3.6 - In Exercises 912, express the given vector v in...Ch. 3.6 - In Exercises 912, express the given vector v in...Ch. 3.6 - In Exercises 912, express the given vector v in...Ch. 3.6 - In Exercises 912, express the given vector v in...Ch. 3.6 - In Exercises 1318, use the Gram-Schmidt process to...Ch. 3.6 - In Exercises 1318, use the Gram-Schmidt process to...Ch. 3.6 - In Exercises 1318, use the Gram-Schmidt process to...Ch. 3.6 - In Exercises 1318, use the Gram-Schmidt process to...Ch. 3.6 - In Exercises 1318, use the Gram-Schmidt process to...Ch. 3.6 - In Exercises 1318, use the Gram-Schmidt process to...Ch. 3.6 - In Exercises 19 and 20, find a basis for the null...Ch. 3.6 - In Exercises 19 and 20, find a basis for the null...Ch. 3.6 - Argue that any set of four or more nonzero vectors...Ch. 3.6 - Let S=u1,u2,u3 be an orthogonal set of nonzero...Ch. 3.6 - Prob. 23ECh. 3.6 - Prob. 24ECh. 3.6 - The triangle inequality. Let x and y be vectors in...Ch. 3.6 - Let x and y be vectors in Rn. Prove that...Ch. 3.6 - Prob. 27ECh. 3.6 - Let B=u1,u2,.........,up be an orthonormal basis...Ch. 3.7 - Define T:R2R2 by T([x1x2])=[2x13x2x1+x2] Find each...Ch. 3.7 - Define T:R2R2 by T(x)=Ax, where A=[1133] Find each...Ch. 3.7 - Let T:R2R2 be the linear transformation defined by...Ch. 3.7 - Let T:R2R2 be the function defined in Exercise 1....Ch. 3.7 - Let T:R2R2 be the function given in Exercise 1....Ch. 3.7 - Let T be the linear transformation given in...Ch. 3.7 - Let T be the linear transformation given in...Ch. 3.7 - In Exercise 817, determine whether the function F...Ch. 3.7 - In Exercise 817, determine whether the function F...Ch. 3.7 - In Exercise 817, determine whether the function F...Ch. 3.7 - In Exercise 817, determine whether the function F...Ch. 3.7 - In Exercise 817, determine whether the function F...Ch. 3.7 - In Exercise 817, determine whether the function F...Ch. 3.7 - In Exercise 817, determine whether the function F...Ch. 3.7 - In Exercise 817, determine whether the function F...Ch. 3.7 - In Exercise 817, determine whether the function F...Ch. 3.7 - In Exercise 817, determine whether the function F...Ch. 3.7 - Let W be the subspace of R3 defined by...Ch. 3.7 - Let T:R2R3 be a linear transformation such that...Ch. 3.7 - Let T:R2R2 be a linear transformation such that...Ch. 3.7 - In Exercise 21-24, the action of a linear...Ch. 3.7 - In Exercise 21-24, the action of a linear...Ch. 3.7 - In Exercise 21-24, the action of a linear...Ch. 3.7 - In Exercise 21-24, the action of a linear...Ch. 3.7 - In Exercise 25-30, a linear transformation T is...Ch. 3.7 - In Exercise 25-30, a linear transformation T is...Ch. 3.7 - In Exercise 25-30, a linear transformation T is...Ch. 3.7 - In Exercise 25-30, a linear transformation T is...Ch. 3.7 - In Exercise 25-30, a linear transformation T is...Ch. 3.7 - In Exercise 25-30, a linear transformation T is...Ch. 3.7 - Let a be a real number, and define f:RR by f(x)=ax...Ch. 3.7 - Let T:RR be a linear transformation, and suppose...Ch. 3.7 - Let T:R2R2 be the function that maps each point in...Ch. 3.7 - Let T:R2R2 be the function that maps each point in...Ch. 3.7 - Let V and W be subspaces, and let F:VW and G:VW be...Ch. 3.7 - Let F:R3R2 and G:R3R2 defined by...Ch. 3.7 - Let V and W be subspaces, and let T:VW be linear...Ch. 3.7 - Let T:R3R2 be the linear transformation defined in...Ch. 3.7 - Let U,V and W be subspaces, and let F:UV and G:VW...Ch. 3.7 - Let F:R3R2 and G:R2R3 be linear transformations...Ch. 3.7 - Let B be an (mn) matrix, and let T:RnRm be defined...Ch. 3.7 - Let F:RnRp and G:RpRm be linear transformations,...Ch. 3.7 - I:RnRm be the identity transformation. Determine...Ch. 3.7 - Prob. 44ECh. 3.7 - Prob. 45ECh. 3.7 - Prob. 46ECh. 3.7 - Prob. 47ECh. 3.7 - Prob. 48ECh. 3.7 - Exercises 4549 are based on the optional material....Ch. 3.8 - In Exercise 1-6, find all vectors x that minimize...Ch. 3.8 - In Exercise 1-6, find all vectors x that minimize...Ch. 3.8 - In Exercise 1-6, find all vectors x that minimize...Ch. 3.8 - In Exercise 1-6, find all vectors x that minimize...Ch. 3.8 - In Exercise 1-6, find all vectors x that minimize...Ch. 3.8 - In Exercise 1-6, find all vectors x that minimize...Ch. 3.8 - In Exercises 7-10, find the least-squares linear...Ch. 3.8 - Prob. 8ECh. 3.8 - Prob. 9ECh. 3.8 - Prob. 10ECh. 3.8 - Prob. 11ECh. 3.8 - In Exercises 11-14, find the least-squares...Ch. 3.8 - Prob. 13ECh. 3.8 - Prob. 14ECh. 3.8 - Consider the following table of data:...Ch. 3.8 - Prob. 16ECh. 3.8 - Prob. 17ECh. 3.8 - Prob. 18ECh. 3.9 - Prob. 1ECh. 3.9 - Prob. 2ECh. 3.9 - Prob. 3ECh. 3.9 - Prob. 4ECh. 3.9 - Exercise 116 refers to the following subspaces: b)...Ch. 3.9 - Prob. 6ECh. 3.9 - Exercise 116 refers to the following subspaces: c)...Ch. 3.9 - Exercise 116 refers to the following subspaces: b)...Ch. 3.9 - Prob. 9ECh. 3.9 - Prob. 10ECh. 3.9 - Prob. 11ECh. 3.9 - Prob. 12ECh. 3.9 - Prob. 13ECh. 3.9 - Prob. 14ECh. 3.9 - Prob. 15ECh. 3.9 - Prob. 16ECh. 3.9 - Prob. 17ECh. 3.SE - Let W={X:X=[x1x2],x1x2=0} Verify that W satisfies...Ch. 3.SE - 2. Let W={x:x=[x1x2],x10,x20}. Verify that W...Ch. 3.SE - Let A=[211141221] and W={x:x=[x1x2x3],Ax=3x}. a...Ch. 3.SE - If S={[112],[213]} And T={[105],[017],[321]}, Then...Ch. 3.SE - 5. Let A=[112322541107] a Reduce the matrix A to...Ch. 3.SE - 6. Let S={v1,v2,v3}, where v1=[111], v2=[121], and...Ch. 3.SE - Let A be an (mn) matrix defined by...Ch. 3.SE - In a)-c), use the given information to determine...Ch. 3.SE - Prob. 9SECh. 3.SE - Let B=x1,x2 be a basis for R2 and let T:R2R2 be a...Ch. 3.SE - Let b=[ab], and suppose that T:R3R2 is linear...Ch. 3.SE - In Exercise 12-18, b=[a,b,c,d]T, T:R6R4 is a...Ch. 3.SE - In Exercise 12-18, b=[a,b,c,d]T, T:R6R4 is a...Ch. 3.SE - In Exercise 12-18, b=[a,b,c,d]T, T:R6R4 is a...Ch. 3.SE - In Exercise 12-18, b=[a,b,c,d]T, T:R6R4 is a...Ch. 3.SE - In Exercises 12-18, b=[a,b,c,d]T, T:R6R4 is a...Ch. 3.SE - In Exercise 12-18, b=[a,b,c,d]T, T:R6R4 is a...Ch. 3.SE - In Exercise 12-18, b=[a,b,c,d]T, T:R6R4 is a...Ch. 3.CE - In Exercises 1-12, answer true or false. Justify...Ch. 3.CE - In Exercises 1-12, answer true or false. Justify...Ch. 3.CE - In Exercises 1-12, answer true or false. Justify...Ch. 3.CE - In Exercises 1-12, answer true or false. Justify...Ch. 3.CE - In Exercises 1-12, answer true or false. Justify...Ch. 3.CE - In Exercises 1-12, answer true or false. Justify...Ch. 3.CE - In Exercises 1-12, answer true or false. Justify...Ch. 3.CE - In Exercises 1-12, answer true or false. Justify...Ch. 3.CE - In Exercises 1-12, answer true or false. Justify...Ch. 3.CE - In Exercises 1-12, answer true or false. Justify...Ch. 3.CE - In Exercises 1-12, answer true or false. Justify...Ch. 3.CE - In Exercises 1-12, answer true or false. Justify...Ch. 3.CE - In exercises 13-23, give a brief answer. Let W be...Ch. 3.CE - In exercises 13-23, give a brief answer. Explain...Ch. 3.CE - In exercises 13-23, give a brief answer. If B={x1,...Ch. 3.CE - In exercises 13-23, give a brief answer. Let W be...Ch. 3.CE - In exercises 13-23, give a brief answer. Let...Ch. 3.CE - In exercises 13-23, give a brief answer. Let u be...Ch. 3.CE - Let V and W be subspaces of Rn such that VW={} and...Ch. 3.CE - In exercises 13-23, give a brief answer. A linear...Ch. 3.CE - If T:RnRm is a linear transformation, then show...Ch. 3.CE - Let T:RnRn be a linear transformation, and suppose...Ch. 3.CE - Let T:RnRm be a linear transformation with nullity...
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- my teacher told me the answer was 4a⁷b⁶ because of the product of a power how can I tell the truth us there any laws in math please provide the law to correct her tyarrow_forwarda=1 b=41)Find the vector and parametric scalar equations of the line L. Show that Q does not lieon L. 2)Without performing any numerical calculations, express d in terms of sin(θ) and |P Q| andhence show that d = |P Q × v(v with a hat)|. Proceed to use your points P and Q and the vector v(hat) to find d. 3)Find the point R such that PR =(P Q · v(hat)/|v(hat)| 2⃗ ) * v(hat). Confirm that R lies on the line L. Interpret the vector P R. Finally, verify that d = |RQ|.arrow_forwardDirections: Use your knowledge of properties of quadratic equations to answer each question. Show all work and label your answers with appropriate units. Round any decimals to the nearest hundredths place. 1. The hypotenuse of a right triangle is 5 centimeters longer than one leg and 10 centimeters longer than the other leg. What are the dimensions of the triangle? 2. The profit of a cell phone manufacturer is found by the function y = -2x²+ 108x+75, where x is the price of the cell phone. At what price should the manufacturer sell the phone to maximize its profits? What will the maximum profit be? 3. A farmer wants to build a fence around a rectangular area of his farm with one side of the region against his barn. He has 76 feet of fencing to use for the three remaining sides. What dimensions will make the largest area for the region? 4. A 13-foot ladder is leaning against a building, forming a right triangle. The height where the ladder touches the building is 7 feet more than the…arrow_forward
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- The linear system can be solved by Cramer's Rule. ○ True ○ False 2x14x26x3 = 2, x1 + 2x3 = 0, 2x13x2 x3 = −5arrow_forwardConsider the linear system: 2x1 +7x2 = -21 -x1-3x2 = = 14 Which one of the following gives the value of x₁ using Cramer's rule? Select one: 21 7 14 -3 x1 = 2 7 -1 -3 -21 7 14 -3 x1 2 7 1 -3 O None of these. -21 -1 14 x1 = 2 7 -1 -3 -21 -1 14 x1 = 2 7 1 -3arrow_forwardWrite the augmented matrix of the system -70y +4z 6 20x +60z -48 -3x -4y-48z -12arrow_forward
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