New SAT Math Workbook Episode 2 part 8 pps

... origin? (A) 2 (B) 2. 5 (C) 42 (D) 43 (E) 5 16. The product of 3456 and 789 is exactly (A) 27 26 787 (B) 27 26 785 (C) 27 26 781 (D) 27 26 784 (E) 27 26 786 17. Susan got up one morning at 7: 42 A.M. and went ... x yields the equation y x = − + 2 4 2 : f xx x x − () = − () − () +=− ()       += − + 2 2 2 22 4 2 2 8 2 2 2 2 ,, o r − + x 2 4 2 The graph...

Ngày tải lên: 22/07/2014, 11:20

... Sentence 25 begins an interesting final comment. Choice (C) Sentence 26 continues the final comment. Choice (D) Sentence 27 , along with the final sentence, is the clincher. Choice (E) Sentence 28 completes ... your introductory paragraph. 2 minutes Step 10 Proofread and revise neatly. TOP 10 RULES OF EFFECTIVE WRITING Rule 1: Use Action Verbs and the Active Voice Rule 2: Use Precise W...

Ngày tải lên: 22/07/2014, 11:20

... 0 0 New 10 3 6. 10 gallons is 2 3 1 4 − of the tank. 2 3 1 4 83 12 5 12 5 12 10 5 120 24 − − == = = = x x x (answer) 7. xy x xyy xy xy xy −− − () = = = = 2 22 2 40 60 2 220 10 + (answer) 8. ... 1 2 + 1 2 = r 2 2 = r 2 Area = πr 2 = 2 10. (E) Angle BCA = Angle BAC = 80 ° There are 20 ° left for angle B. 11. (B) 9 2 81 8 9 2 8 81 4 9 ÷=⋅ = 12. (D)...

Ngày tải lên: 22/07/2014, 11:20

... + 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 ÷ ... (2, 0): yxb b b = () +=− = − + = − − 02 20 1 02 2 (slope ) The equation for the line is y = –x + 2. For the pairs ( 2, –1) and (2, 1): yxb b b = () += =+ = −− −− 11 22 1 2 1 2...

Ngày tải lên: 22/07/2014, 11:20

... pairs: 48 000 48 000 1 48 000 12 000 48 000 2 4 2 2 , , () , , , () == == 88 000 4 12 000 3 000 48 000 4 48 000 16 30 2 , , , , () , , = ===000 Retest 1. The correct answer is 4 32. First, find r: 27 2 27 2 36 6 31 2 2 ×= ×= = = − r r r r () To ... f(x): g(f(x)) = x 2 + 3 5. (D) f(x 2 ) = x 2 2 , and fx() () 2 = x 2 2 () . Accordingly, f(x 2 ) ÷ fx()...

Ngày tải lên: 22/07/2014, 11:20

... equations does the graph 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 ... geometric sequence are 2 and 20 48, respectively. To find the value of the fourth term, first apply the standard equation to determine r : Solution: 2 20 48 2 20 4...

Ngày tải lên: 22/07/2014, 11:20

... coordinates. 62 2 26 2 44 ++ ,,       = () 2. (C) O is the midpoint of AB. x xx y yy + + + + 4 2 2440 6 2 1 624 === === , , − A is the point (0, –4). 3. (A) d = ()() = === 84 63 4 3 16 9 25 5 22 22 − ... > 3 2 (C) b <− 3 2 (D) b < 2 3 (E) b > 2 3 7. If x 2 < 4, then (A) x > 2 (B) x < 2 (C) x > 2 (D) 2 < x < 2 (E) 2 ≤ x ≤...

Ngày tải lên: 22/07/2014, 11:20

... square = s 2 = 36 Therefore, s = 6 and perimeter = 24 Geometry 20 5 www.petersons.com 3. RIGHT TRIANGLES A. Pythagorean theorem (leg) 2 + (leg) 2 = (hypotenuse) 2 52 25 4 29 29 22 2 2 2 () () = = = = + + x x x x B. ... = xx yy 21 2 21 2 − + ()() - The distance between (–3, 2) and (5, –1) is −− ++3+935 8 64 73 2 2 22     ()     = () () = =2- -1 - B. The m...

Ngày tải lên: 22/07/2014, 11:20

... in cents 10 400 25 25 + - 00 15 150 10 x x = = 4. (D) No of Percent Amount of Quarts · Alcohol = Alcohol Original 18 32 576 Added x 0 0 New 18 + x 12 216 + 12x 576 21 6 12 360 12 30 = = = + x x x 5. ... 3 1 2 hours. 3.5x + 3.5(x + 6) = 28 7 Multiply by 10 to eliminate decimals. 35 35 6 28 70 35 35 21 0 28 70 70 26 60 3 xx xx x x ++ ++ () = = = = 88 The rate of the faster...

Ngày tải lên: 22/07/2014, 11:20

... their squares is 120 ? (A) (n + 1) 2 – n 2 = 120 (B) n 2 – (n + 1) 2 = 120 (C) n 2 – (n + 2) 2 = 120 (D) (n + 2) 2 – n 2 = 120 (E) [(n + 2) – n] 2 = 120 3. Find the average of four consecutive ... term by t 2 2 . 4 2 + t Exercise 5 1. (A) (a + b) (a – b) = a 2 – b 2 1 3 1 4 1 12 2 2             = = ab ab − − 2 2 2. (D) (a – b) 2 = a 2...

Ngày tải lên: 22/07/2014, 11:20