Elementary Geometry For College Students, 7e
7th Edition
ISBN: 9781337614085
Author: Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher: Cengage,
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Textbook Question
Chapter P.CT, Problem 18CT
Given “rhombus” ABCD, use intuition to draw a conclusion regarding diagonals
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Q3: Define the linear functional J: H₁(2)
R by
¡(v) =
a(v, v) - L(v)
Л
Let u be the unique weak solution to a(u,v) = L(v) in H(2) and suppose that
a(...) is a symmetric bilinear form on H(2) prove that
1- u is minimizer. 2- u is unique. 3- The minimizer J(u) can be rewritten under
1(u) = u Au-ub,
algebraic form
1
2
Where A, b are repictively the stiffence matrix and the load vector
Q4: A) Answer
1- show that the solution to -Au = f in A, u = 0 on a satisfies the
stability Vullfll and show that ||V(u u)||||||2 - ||vu||2
2- Prove that
Where
lu-ul Chuz
-
!ull = a(u, u) = Vu. Vu dx + fu. uds
B) Consider the bilinea forta
Л
a(u, v) = (Au, Av) (Vu, Vv + (Vu, v) + (u,v)
Show that a(u, v) continues and V- elliptic on H(2)
7) In the diagram below of quadrilateral ABCD, E and F are points on AB and CD respectively,
BE=DF, and AE = CF. Which conclusion can be proven?
A
1) ED = FB
2) AB CD
3) ZA = ZC
4) ZAED/CFB
E
B
D
0
1) In parallelogram EFGH, diagonals EG and FH intersect at point I such that EI = 2x - 2 and
EG = 3x + 11. Which of the following is the length of GH?
a) 15
b) 28
c) 32
d) 56
Chapter P Solutions
Elementary Geometry For College Students, 7e
Ch. P.1 - Is the set named empty, finite, or infinite? a...Ch. P.1 - Prob. 2ECh. P.1 - Where possible, use the symbol to join the two...Ch. P.1 - Where possible, use the symbol to join the two...Ch. P.1 - Which type of path straight, curved, circular, or...Ch. P.1 - Which type of path straight, curved, circular or...Ch. P.1 - Let A, B, and C lie on a straight line as shown...Ch. P.1 - Let A, B, and C lie on a straight line as shown....Ch. P.1 - Prob. 9ECh. P.1 - Consider sets A, B, and C from Exercise 9. Find: a...
Ch. P.1 - For the sets gives in Exercise 9, is there a...Ch. P.1 - For the sets given in Exercise 9, is there a...Ch. P.1 - For Exercises 13 to16, consider the figure with...Ch. P.1 - For Exercises 13 to16, consider the figure with...Ch. P.1 - For Exercises 13 to16, consider the figure with...Ch. P.1 - Prob. 16ECh. P.1 - Use the angle symbol and three letters to name...Ch. P.1 - Use the angle symbol and three letters to name...Ch. P.1 - What relationship subset, intersect, disjoint, or...Ch. P.1 - What relationship subset, intersect, disjoint, or...Ch. P.1 - If A=1,2,3,4 and B=2,4,6,8, find: a NA b NB c NAB...Ch. P.1 - If A=vowels and B=lettersinthewordspare, find: a...Ch. P.1 - Find a universe for the set...Ch. P.1 - Find a universe for the set...Ch. P.1 - Where P=1,3,5,7,9 and U=1,2,3,4,5,6,7,8,9, find...Ch. P.1 - Where C=consonants and U=26lettersofthealphabet,...Ch. P.1 - With P and Q sublets of U as shown, shade ~PQ.Ch. P.1 - With P and Q subsets of U as shown, shade ~PQ.Ch. P.1 - The figures below are triangle. Find: N{sides in a...Ch. P.1 - The figures below are quadrilaterals. Find:...Ch. P.1 - If NA=3 and NB=5, what is: a the smallest number...Ch. P.1 - If NA=3 and NB=5, what is: a the largest number...Ch. P.1 - Prob. 33ECh. P.1 - Prob. 34ECh. P.1 - Prob. 35ECh. P.1 - Prob. 36ECh. P.1 - Prob. 37ECh. P.1 - Prob. 38ECh. P.2 - In Exercises 1 and 2, which sentences are...Ch. P.2 - In Exercises 1 and 2, which sentences are...Ch. P.2 - In Exercises 3 and 4, give the negation of each...Ch. P.2 - In Exercises 3 and 4, give the negation of each...Ch. P.2 - In Exercises 5 to 10, classify each statement as...Ch. P.2 - In Exercises 5 to 10, classify each statement as...Ch. P.2 - In Exercises 5 to 10, classify each statement as...Ch. P.2 - In Exercises 5 to 10, classify each statement as...Ch. P.2 - In Exercises 5 to 10, classify each statement as...Ch. P.2 - In Exercises 5 to 10, classify each statement as...Ch. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - Prob. 14ECh. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - In Exercises 11 to 18, state the hypothesis and...Ch. P.2 - In Exercises 19 to 24, classify each statement as...Ch. P.2 - In Exercises 19 to 24, classify each statement as...Ch. P.2 - In Exercises 19 to 24, classify each statement as...Ch. P.2 - In Exercises 19 to 24, classify each statement as...Ch. P.2 - In Exercises 19 to 24, classify each statement as...Ch. P.2 - In Exercises 19 to 24, classify each statement as...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - In Exercises 25 to 32, name the type of reasoning...Ch. P.2 - Prob. 32ECh. P.2 - In Exercises 33 to 36, use intuition to state a...Ch. P.2 - Prob. 34ECh. P.2 - In Exercises 33 to 36, use intuition to state a...Ch. P.2 - In Exercises 33 to 36, use intuition to state a...Ch. P.2 - Prob. 37ECh. P.2 - In Exercises 37 to 40, use induction to state a...Ch. P.2 - Prob. 39ECh. P.2 - In Exercises 37 to 40, use induction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - Prob. 47ECh. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 41 to 50, use deduction to state a...Ch. P.2 - In Exercises 51 to 54, use Venn diagrams to...Ch. P.2 - In Exercises 51 to 54, use Venn diagrams to...Ch. P.2 - In Exercises 51 to 54, use Venn diagrams to...Ch. P.2 - In Exercises 51 to 54, use Venn diagrams to...Ch. P.2 - In Exercises 55 and 56, P is a true statement,...Ch. P.2 - In Exercises 55 and 56, P is a true statement,...Ch. P.3 - If line segment AB and line segment CD are drawn...Ch. P.3 - If angles ABC and DEF were measured with a...Ch. P.3 - How many endpoints does a line segment have? How...Ch. P.3 - Do the points A, B, and C appear to be collinear?Ch. P.3 - How many lines can be drawn that contain both...Ch. P.3 - Consider noncollinear points A, B, and C. If each...Ch. P.3 - Name all the angles in the figure.Ch. P.3 - Which of the following measures can an angle have?...Ch. P.3 - Must two different points be collinear? Must three...Ch. P.3 - Which symbols correctly expresses the order in...Ch. P.3 - Which symbols correctly name the angle shown?ABC,...Ch. P.3 - A triangle is named ABC. Can it also be named ACB?...Ch. P.3 - Consider rectangle MNQ. Can it also be named...Ch. P.3 - Suppose ABC and DEF have the same measure. Which...Ch. P.3 - Suppose AB and CD have the same length. Which...Ch. P.3 - When two lines cross intersect, they have exactly...Ch. P.3 - Judging from the ruler shown not to scale,...Ch. P.3 - Judging from the ruler, estimate the measure of...Ch. P.3 - Judging from the protractor provided, estimate the...Ch. P.3 - Using the drawing for Exercise 19, estimate the...Ch. P.3 - Consider the square at the right, RSTV. It has...Ch. P.3 - Square RSTV has diagonals RT and SV not shown. If...Ch. P.3 - Use a compass to draw a circle. Draw a radius, a...Ch. P.3 - Use a compass to draw a circle of radius 1 inch....Ch. P.3 - The sides of the pair of angles are parallel. Are...Ch. P.3 - The sides of the pair of angles are parallel. Are...Ch. P.3 - The sides of the pair of angles are perpendicular....Ch. P.3 - The sides of the pair of angles are perpendicular....Ch. P.3 - On a piece of paper, use your compass to construct...Ch. P.3 - On a piece of paper, use your protractor to draw a...Ch. P.3 - A trapezoid is a four-sided figure that contains...Ch. P.3 - In the rectangle shown, what is true of the...Ch. P.3 - Prob. 33ECh. P.3 - An angle is bisected if its two parts have the...Ch. P.3 - Prob. 35ECh. P.3 - Prob. 36ECh. P.3 - Prob. 37ECh. P.3 - Prob. 38ECh. P.3 - ABC is straight angle. Using your protractor, you...Ch. P.3 - Prob. 40ECh. P.3 - In Exercises 41 to 44,m1+m2=mABC. Find mABC if...Ch. P.3 - In Exercises 41 to 44,m1+m2=mABC. Find m1 if...Ch. P.3 - In Exercises 41 to 44,m1+m2=mABC. Find x if m2=x,...Ch. P.3 - Prob. 44ECh. P.3 - A compass was used to mark off three congruent...Ch. P.3 - Use your compass and straightedge to bisect EF.Ch. P.3 - In the figure, m1=x and m2=y. If x-y=24, find x...Ch. P.3 - In the drawing, m1=x and m2=y. If mRSV=67 and...Ch. P.3 - For Exercises 49 to 50, use the following...Ch. P.3 - For Exercises 49 to 50, use the following...Ch. P.CR - For Review Exercises 1 to 6, which relationship...Ch. P.CR - For Review Exercises 1 to 6, which relationship...Ch. P.CR - For Review Exercises 1 to 6, which relationship...Ch. P.CR - Prob. 4CRCh. P.CR - Prob. 5CRCh. P.CR - Prob. 6CRCh. P.CR - Prob. 7CRCh. P.CR - Prob. 8CRCh. P.CR - Find: Npositiveoddintegerslessthan20Ch. P.CR - Find: Nsides of a triangle Nsides of a...Ch. P.CR - Prob. 11CRCh. P.CR - If NAB=69,NA=35, and NB=47, find NAB.Ch. P.CR - For Review Exercises 13 to 18, name the type of...Ch. P.CR - Prob. 14CRCh. P.CR - Prob. 15CRCh. P.CR - For Review Exercises 13 to 18, name the type of...Ch. P.CR - For Review Exercises 13 to 18, name the type of...Ch. P.CR - For Review Exercises 13 to 18, name the type of...Ch. P.CR - For Review Exercises 19 and 20, statements P and Q...Ch. P.CR - Prob. 20CRCh. P.CR - Prob. 21CRCh. P.CR - Prob. 22CRCh. P.CR - Prob. 23CRCh. P.CR - Prob. 24CRCh. P.CR - Prob. 25CRCh. P.CR - Prob. 26CRCh. P.CR - Prob. 27CRCh. P.CR - Prob. 28CRCh. P.CR - Prob. 29CRCh. P.CR - Prob. 30CRCh. P.CR - Prob. 31CRCh. P.CR - Prob. 32CRCh. P.CR - Given that ABCD is a square, use intuition to draw...Ch. P.CR - Given that AB=AC in triangle ABC, use intuition to...Ch. P.CR - Prob. 35CRCh. P.CR - Prob. 36CRCh. P.CR - Prob. 37CRCh. P.CR - Prob. 38CRCh. P.CR - In the figure, A-B-C. If AB=x, BC=x+7, and AC=4x-3...Ch. P.CR - In the figure, mABD=31 and mDBC=26. Find mABC.Ch. P.CR - In the figure, mABC=63 and mABD=39. Find mDBC.Ch. P.CR - In the figure, mABD=2y+7, mDBC=y+10 and mABC=62....Ch. P.CR - In the figure, mABD=x+5, mDBC=2x-26. If BD bisects...Ch. P.CT - Prob. 1CTCh. P.CT - For Exercises 1 and 2, let...Ch. P.CT - Give another name for: a)ABb)ABCCh. P.CT - If N{A}=31,N{B}=47,N{AB}=17,findN{AB}.Ch. P.CT - At Rosemont High School, 14 players are on the...Ch. P.CT - Name the type of reasoning used in the following...Ch. P.CT - For Exercises 7 and 8, state a conclusion when...Ch. P.CT - For Exercises 7 and 8, state a conclusion when...Ch. P.CT - Prob. 9CTCh. P.CT - Statement P and Q are true while R is a false...Ch. P.CT - For Exercises 11 and 12, use the drawing provided....Ch. P.CT - For Exercises 11 and 12, use the drawing provided....Ch. P.CT - Use the protractor with measures as indicted to...Ch. P.CT - Prob. 14CTCh. P.CT - a Which of these (AB,AB,orAB) represents the...Ch. P.CT - Let P represent any statement. Classify as true or...Ch. P.CT - Prob. 17CTCh. P.CT - Given rhombus ABCD, use intuition to draw a...Ch. P.CT - For ABC not shown, ray BD is the bisector of the...Ch. P.CT - In the figure shown, CD bisects AB at point M so...
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- 5) Which of the following are properties of all squares: 1. Congruent diagonals 2. Perpendicular diagonals 3. Diagonals that bisect vertex angles a) 1 and 2 only b) 1 and 3 only c) 2 and 3 only d) 1, 2, and 3arrow_forward6) In an isosceles trapezoid HIJK it is known that IJ || KH. Which of the following must also be true? a) IJ = KH b) HIJK c) HIJK d) IJ KHarrow_forward4) When rectangle JKLM is plotted in the coordinate plane side JK has a slope equal to 3. What must be the slope of side MJ? a) 3/3 b) e 35 53 32 d) - 5arrow_forward
- 4) Find a proposition with three variables p, q, and r that is never true. 5) Determine whether this proposition is a tautology using propositional equivalence and laws of logic: ((p (bv (bL ← →¬p [1 6) Explain why the negation of "Some students in my class use e-mail” is not "Some students in my class do not use e-mail".arrow_forwardMilgram lemma B) Consider Show that -Au= f in a u=0 on on llu-ulls Chllullz 02 Prove that Where ||ul| = a(u, u) = vu. Vu dx + fonu.u ds Q3: Let V = H' (2), a(u,v) = CR, a(u,v) = (f,v) where Vu. Vv dx + Ja cuv dx and ||u|=|||| Show that a(u, v) is V-ellipiticly and continuity.arrow_forward7) Is the following statement True or False: AU BUA = Ā. Justify your answer. 8) Suppose g: A → B and f: B → C where A = {2,3,6,8}, and g and f are defined by g = {a, b, c, d}, B = {1,2,3}, C = {(a,2), (b,1), (c, 3), (d, 2)} and f = {(1,8),(2,3), (3,2)}. Find fog, gof and f−¹. 9) Verify that a₁ = 7(3") -π is a solution to the recurrence relation an = an 4an-1 -3an-2arrow_forward
- 1) Find the prime factorization of 111111. 2) Find (-88 mod 13) 5 mod 7. 3) Use the Euclidean algorithm to find gcd(144,233).arrow_forward3 10) Suppose B = 2 4 5) and C = (b 2 prove that no such matrix exists. (6 1) . Find a matrix A such that AB = C orarrow_forwardi let V-H.) R aluv) = (v) where alu)=SU. V dx and { and (v) sv Show that the finite element solution Un Unique Prove that U-Un ll≤ch llull A²=f and U= Ju =0 on on a with bili near from a (u,v) = SAU. Av dr 32 Prove that aluv) is countinous and V-expitic ii Prove that 2 Mete ||(U-U|| ²== ||||²+|| || ² where -Auf in U=0 on 2arrow_forward
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