New SAT Math Workbook Episode 2 part 9 pdf

... .) 09 3=.Retest1. (C) 28 24 2 42= ⋅=450 425 2 2 02 318 39 2 9 2 42 2 02 92 3 32 =⋅==⋅==++ 2. (D)1 2 1801 2 36 5 3 5=⋅= 2 5 20 2 545455354551155=⋅=−=3. (A)axxxax xax26 122 3 22 ⋅= ... 2 3 2 2abd(A)83 32 2abcd(B)acd6 2 (C) 2 2acbd(D)6 2 cda(E)5 2 cda5. Divide 34 24 2 acb by 6ac 2 (A)acb 2 28(B)acb 2 24(C)4 2 2bac(D)8 2 2bac(E)acb 2 261. ... product of ax2 and xx6 is(A) 23 2 ax(B) 12ax3(C)( )23 2 ax(D) 12ax 2 (E) 12ax4. Divide 42 4036rt by 35 2 rt(A)56 2 2rt(B) 28 2rt rt(C) 28 2 2rt(D) 28 2rt t(E) 56 2rt t5. Solve...

... x yields the equationyx= − + 2 4 2 :fxx xx−()= −()−()+=−()+=− + 2 2 2 22 4 2 28 2 2 2 2,, o r − +x 2 4 2 The graph of yx= − 2 4 is a downward openingparabola ... origin?(A) 2 (B) 2. 5(C) 42 (D)43(E) 516. The product of 3456 and 7 89 is exactly(A) 27 26787(B) 27 26785(C) 27 26781(D) 27 26784(E) 27 2678617. Susan got up one morning at 7: 42 A.M. andwent ... triangle ABC is(A) 8(B) 25 +(C) 22 5+(D) 21 0+(E) 12 14. If a is not 0 or 1, a fraction equivalent to 1 2 2aa− is(A)1 22 a −(B) 2 2a −(C)12a −(D)1a(E) 2 2a −115. At 3:30 P.M. the...

... equation 2y = 9 ?(A) – 9 2 (B) – 2 9 (C) 0(D) 9 2 (E) The slope is undefined. 2. In the xy-plane, what is the slope of a line thatcontains the points (–1,4) and (3,–6)?(A)−5 2 (C) 2 (B)−1 2 (D) ... (2, 0):yxbbb=()+=−= − +=−− 02 201 02 2(slope )The equation for the line is y = –x + 2. For the pairs ( 2, –1) and (2, 1):yxbbb=()+==+=−−−−11 22 1 2 1 2 12 0()())()(slopeThe equation ... 8.5 + 1 .9) +(1.7 + 4 .9 + 2. 2) = 22 .8. The number of these units that were standard models = (8.5 + 4 .9) = 13.4.To answer the question, divide 13.4 by 22 .8 (round off the quotient): 22 .8 ÷ 13.4...

... f(x):g(f(x)) = x 2 + 35. (D) f(x 2 ) = x 2 2, and fx()() 2 = x 2 2().Accordingly, f(x 2 ) ÷ fx()() 2 = x 2 2 ÷ x 2 2() =x 2 2 · 4 2 x = 2. Exercise 61. (B) To determine ... both(t,h) pairs: (96 ) = 80 (2) – 16 (2) 2 = 160 – 64 = 96 (96 ) = 80(3) – 16(3) 2 = 24 0 – 144 = 96 Note that the equation in choice (C) holds forf (2) = 96 but not for f(3) = 96 .Chapter 15 26 6www.petersons.com4. ... 000 12 00048 000 2 4 2 2,,(),,,()====88 0004 12 0003 00048 000448 0001630 2 ,,,,(),,====000Retest1. The correct answer is 4 32. First, find r: 27 2 27 236631 2 2×=×===−rrrr()To...

... equations does thegraph best represent?(A) x = (y – 2) 2 – 2 (B) x = (y + 2) 2 – 2 (C) x = –(y – 2) 2 – 2 (D) y = (x – 2) 2 + 2 (E) y = (x – 2) 2 – 2 3. In the xy-plane, which of the following ... − =−= −− 22 5 2 5 2 25 2 2f ()()( )− = − =−= −−115151511f(0) = (0)(50) = (0)(1) = 0f (2) = (2) (5 2 ) = (2) (25 ) = 50The range of f(x) = xx5− is the set {− 2 25, −15,0, ... fourth terms.Solution:2nd term (T) = 2 · 3 (2 – 1) = 2 · 31 = 63rd term (T) = 2 · 3 (3 – 1) = 2 · 3 2 = 2 · 9 = 184th term (T) = 2 · 3 (4 – 1) = 2 · 33 = 2 · 27 = 54To solve for...

... coordinates. 62 2 26 2 44++,,=() 2. (C) O is the midpoint of AB.xxxyyy++++4 2 24406 2 1 624 ======,, −A is the point (0, –4).3. (A)d =()()====84 63 4 316 9 25 5 22 22 − ... 10(A)b <3 2 (B)b >3 2 (C)b <−3 2 (D)b < 2 3(E)b > 2 37. If x 2 < 4, then(A) x > 2 (B) x < 2 (C) x > 2 (D) 2 < x < 2 (E) 2 ≤ x ≤ 2 8. Solve for ... = 43 = 64 2. (C) V = πr 2 h = 22 7 · 49 · 10 = 1540 cubicinchesDivide by 23 1 to find gallons.3. (B) V = πr 2 h = 22 7 · 9 · 14 = 396 cubic inchesDivide by 9 to find minutes.4. (B)...

... twice as long, or 2x hours, to mowthe lawn.Mr. Powell Mike 20 x+ 20 2x=1Multiply by 2x to clear fractions.40 20 2 60 2 30+ ===xxx minutesChapter 12 188www.petersons.com 9. Carol started ... (C)Michael Barry 2 6 2 1+x=Multiply by 6x. 21 26 12 43xxxx+ ===Retest1. (B) Represent the integers as x, x + 2, and x + 4.3410 21 47 29 xxxxx=()===+++ 2. (C) Represent the ... in cents10 400 25 25 + - 0015 15010 xx==4. (D) No of Percent Amount ofQuarts · Alcohol = AlcoholOriginal 18 32 576Added x 0 0 New 18 + x 12 216 + 12x576 21 6 12 360 12 30===+ xxx5....