Pearson eText for Precalculus: Concepts Through Functions, A Right Triangle Approach to Trigonometry -- Instant Access (Pearson+)

4th Edition

ISBN: 9780137399581

Author: Michael Sullivan, Michael Sullivan

Publisher: PEARSON+

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Textbook Question

Chapter F, Problem 2CP

Zestimate($ thousands) Selling Price($ thousands) 291.5 268 320 305 371.5 375 303.5 283 351.5 350 314 275 332.5 356 295 300 313 285 368 385

The graph below, called a scatter diagram, shows the points ( 291.5 , 268 ) , ( 320 , 305 ) , ... , ( 368 , 385 ) in a Cartesian plane.

From the graph, it appears that the data follow a linear relation.

Chapter F, Problem 2CP,

Pick two points from the scatter diagram. Treat the zestimate as the value of x and treat the selling price as the corresponding value of y . Find the equation of the line through the two points you selected.

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Chapter F, Problem 1CP

Chapter F, Problem 3CP

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1. Consider the following system of equations: x13x2 + 4x3 - 5x4 = 7 -2x13x2 + x3 - 6x4 = 7 x16x213x3 - 21x4 = 28 a) Solve the system. Write your solution in parametric and vector form. b) What is a geometric description of the solution. 7 c) Is v = 7 in the span of the set S= [28. 1 HE 3 -5 3 ·6 ? If it is, write v 6 as a linear combination of the vectors in S. Justify. d) How many solutions are there to the associated homogeneous system for the system above? Justify. e) Let A be the coefficient matrix from the system above. Find the set of all solutions to Ax = 0. f) Is there a solution to Ax=b for all b in R³? Justify.

Chapter F Solutions

Pearson eText for Precalculus: Concepts Through Functions, A Right Triangle Approach to Trigonometry -- Instant Access (Pearson+)

Ch. F.1 - 1. On a real number line the origin is assigned...Ch. F.1 - 2. If 3 and 5 are the coordinates of two points on...Ch. F.1 - 3. If 3 and 4 are the legs of a right triangle,...Ch. F.1 - 4. Use the converse of the Pythagorean Theorem to...Ch. F.1 - 5. The area of a triangle whose base is b and...Ch. F.1 - 6. True or False Two triangles are congruent if...Ch. F.1 - 7. If ( x,y ) are the coordinates of a point P in...Ch. F.1 - 8. The coordinate axes divide the xy-plane into...Ch. F.1 - 9. If three distinct points P , Q and R all lie on...Ch. F.1 - 10. True or False The distance between two points...

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Solution Summary: The author explains that the equation of the line through the points from the scatter diagram is y=2.857142857x-609.2858143.

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Chapter F Solutions