Sat math essentials 3 pptx

... • / 1 2 3 4 5 6 7 8 9 0 / 1 2 3 4 5 6 8 9 0 • 1 2 4 5 6 7 8 9 • 1 2 3 5 6 7 8 9 0 • / / 1 2 3 4 5 6 7 8 9 0 • 1 2 3 4 5 6 3 4 7 8 9 0 • .34 2 3 427 42 /7 3 4 7 3 4 7 –PREPARING FOR THE SAT MATH 9 Here is an example: 1. By how much does the product of 13 and ... 0. 1 2 3 5 6 7 8 9 1 5 6 7 8 9 0 • / 1 2 33 6 7 8 9 0 • / 1 2 3 4 44 4 5 6 8 9 0 • 3. 06 • 2 5 7 1 2...

Ngày tải lên: 07/08/2014, 22:20

... units d. 30 π square units e. 36 π square units 12. If the diagonal of a square measures 16͙2 ෆ cm, what is the area of the square? a. 32 ͙2 ෆ cm 2 b. 64͙2 ෆ cm 2 c. 128 cm 2 d. 256 cm 2 e. 512 cm 2 13. ... the value of x. a. 6 3 ෆ b. 8 3 ෆ c. 12͙2 ෆ d. 13 e. 24 10. If 10% of x is equal to 25% of y, and y ϭ 16, what is the value of x? a. 4 b. 6.4 c. 24 d. 40 e. 64 A E B D C x 12 MATH...

Ngày tải lên: 07/08/2014, 22:20

... for x and 5 for y : (3 xy + x ) ᎏ x y ᎏ = ( (3) (2)(5) + 2) ᎏ 2 5 ᎏ = (30 + 2) ᎏ 2 5 ᎏ = 32 ᎏ 2 5 ᎏ = (͙ 5 32 ෆ ) 2 = 2 2 = 4. Or, 3( 2)(5) = 30 , 30 + 2 = 32 , the 5th root of 32 is 2, 2 raised to ... 2 1 2 3 4 5 6 7 8 9 • 1 2 3 4 5 6 7 8 9 0 • / 1 2 3 4 5 6 7 8 9 0 • / 1 2 3 4 5 6 7 8 9 0 • 1 2 3 4 5 6 7 8 9 • 1 2 3 4 5 6 7 8 9 0 • / 1 2 3 4 5 6 7 8 9 0 • / 1 2 3...

Ngày tải lên: 02/11/2013, 18:20

... 180°. ∠x is obtuse and ∠(x Ϫ 30 ) is acute, so you can set up the equation x ϩ (x Ϫ 30 ) ϭ 180. Now solve for x: x ϩ (x Ϫ 30 ) ϭ 180 2x Ϫ 30 ϭ 180 2x Ϫ 30 ϩ 30 ϭ 180 ϩ 30 2x ϭ 210 x ϭ 105 Therefore, ... 180° ■ m∠2 ϩ m 3 ϭ 180° ■ m 3 ϩ m∠4 ϭ 180° ■ m∠1 ϩ m∠4 ϭ 180° Practice Question What is the value of b in the figure above? a. 20 b. 30 c. 45 d. 60 e. 120 b˚ 6a˚ 3a˚ 2 1 4 3 –GEOM...

Ngày tải lên: 22/07/2014, 10:22

... Question If a > 37 , which of the following is a possible value of a? a. – 43 b. 37 c. 35 d. 37 e. 41 Answer e. a > 37 means that a is greater than 37 . Only 41 is greater than 37 . –NUMBERS AND ... STRATEGIES– 36

Ngày tải lên: 12/08/2014, 00:22

... parabola shown above? a. y = (x + 3) 2 + 2 b. y = (x + 3) 2 – 2 c. y = (x – 3) 2 + 2 d. y = (x – 3) 2 – 2 e. y = (3x + 3) 2 – 2 4 4 3 3 2 2 1 1–1 –1 –2 –2 3 3 –4 –4 y x – PRACTICE TEST 1 – 186 15. ... 7. 14. 27 Substitute 3 for a: = 9. To solve for z, raise both sides of the equation to the power ᎏ 3 2 ᎏ : = , z = ͙9 ෆ 3 = 3 3 = 27. 9 3 2 z 2 3 3 2 z 2 3 – PRACTIC...

Ngày tải lên: 02/11/2013, 18:20

... (2,–1) 4 3 2 1 –1 –2 3 –4 –4 3 –2 –1 1 2 3 4 y x – PRACTICE TEST 2 – 202 18. Which of the following is an irrational number? a. Ί ᎏ 4 9 ᎏ ๶ b. 4 3 c. –( 3 ෆ 3 ෆ ) d. e. ( 32 ෆ ) 3 19. In ... 2 1 2 3 4 5 6 7 8 9 • 1 2 3 4 5 6 7 8 9 0 • / 1 2 3 4 5 6 7 8 9 0 • / 1 2 3 4 5 6 7 8 9 0 • 1 2 3 4 5 6 7 8 9 • 1 2 3 4 5 6 7 8 9 0 • / 1 2 3 4 5 6 7 8 9 0 • / 1 2 3 4 5 6...

Ngày tải lên: 02/11/2013, 18:20

... 7n 30 = n Thus, there are 30 nonretirees and 105 retirees, so there are 135 residents altogether, and the right answer is (D). 16. 23. The distance from 3 to 33 is 30 (because 33 – 3 = 30 ). ... between 3 and 33 , so each of these intervals equals 5 (because 30 ÷ 6 = 5). You can label the number line as follows: –2 3 8 13 18 23 28 33 38 V Therefore, the right answe...

Ngày tải lên: 28/03/2014, 10:20