Sat math essentials 2 docx

... times you have taken the SAT, you’re smart to be using this book. The only way to raise your SAT score is through preparation and practice. –TAKING THE SAT 2  Where Is the SAT Given? Many high ... Tested on the SAT? The SAT has approximately 160 questions divided into eight test sections: ■ three critical reading sections ■ two 25 -minute sections ■ one 20 -minute section ■ th...

Ngày tải lên: 07/08/2014, 22:20

... dec- imal. (͙ 32 ෆ ) 3 = (͙ 32 ෆ )(͙ 32 ෆ )(͙ 32 ෆ ) = 32 32 ෆ = 32 16 ෆ 2 ෆ = ( 32) (4) 2 ෆ = 128 2 ෆ . 2 ෆ can- not be expressed as a repeating or terminating decimal, therefore, 128 2 ෆ is an irrational number. 19. ... ͙(x 2 – x ෆ 1 ) 2 + (y ෆ 2 – y 1 ) 2 ෆ Distance = ͙(11 – ( ෆ –1)) 2 + ෆ ((–7) ෆ – 2) 2 ෆ Distance = ͙( 12) 2 + ෆ (–9) 2 ෆ Distance = ͙144 + 8 ෆ 1...

Ngày tải lên: 02/11/2013, 18:20

... dec- imal. (͙ 32 ෆ ) 3 = (͙ 32 ෆ )(͙ 32 ෆ )(͙ 32 ෆ ) = 32 32 ෆ = 32 16 ෆ 2 ෆ = ( 32) (4) 2 ෆ = 128 2 ෆ . 2 ෆ can- not be expressed as a repeating or terminating decimal, therefore, 128 2 ෆ is an irrational number. 19. ... ͙(x 2 – x ෆ 1 ) 2 + (y ෆ 2 – y 1 ) 2 ෆ Distance = ͙(11 – ( ෆ –1)) 2 + ෆ ((–7) ෆ – 2) 2 ෆ Distance = ͙( 12) 2 + ෆ (–9) 2 ෆ Distance = ͙144 + 8 ෆ 1...

Ngày tải lên: 22/07/2014, 10:22

... terms. 2, 4,8,16, 32, Ter m 1 ϭ 2 Ter m 2 ϭ 4, which is 2 ϫ 2 Ter m 3 ϭ 8, which is 2 ϫ 2 ϫ 2 Ter m 4 ϭ 16, which is 2 ϫ 2 ϫ 2 ϫ 2 You can also write out each term using exponents: Ter m 1 ϭ 2 Ter ... m 2 ϭ 2 ϫ 2 1 Ter m 3 ϭ 2 ϫ 2 2 Ter m 4 ϭ 2 ϫ 2 3 We can now write a formula: Te r m n ϭ 2 ϫ 2 n Ϫ 1 So, if the SAT asks you for the thirtieth term,...

Ngày tải lên: 22/07/2014, 10:22

... e 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 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 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 7 8 9 0 • 1...

Ngày tải lên: 22/07/2014, 10:22

... ͙(x 2 – x ෆ 1 ) 2 + (y ෆ 2 – y 1 ) 2 ෆ 10 = ͙(4 – (– ෆ 2) ) 2 + ෆ ((–1) – ෆ m) 2 ෆ 10 = ͙(6) 2 + ෆ (–1 – m ෆ ) 2 ෆ 10 = ͙36 + m ෆ 2 + 2m ෆ + 1 ෆ 10 = ͙m 2 + 2 ෆ m + 37 ෆ 100 = m 2 + 2m + 37 m 2 + ... 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 –...

Ngày tải lên: 02/11/2013, 18:20

... + 12 cm = 60 cm. 9. 4 Substitute 2 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, ... equation to find the value of a:–6b + 2a – 25 = 5, –6(–3) + 2a – 25 = 5, 18 + 2a = 30, 2a = 12, a = 6. Finally, ( ᎏ a b ᎏ ) 2 = ( ᎏ – 6 3 ᎏ ) 2 = (– ᎏ 1 2 ᎏ ) 2 =...

Ngày tải lên: 02/11/2013, 18:20

... + 12 cm = 60 cm. 9. 4 Substitute 2 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, ... equation to find the value of a:–6b + 2a – 25 = 5, –6(–3) + 2a – 25 = 5, 18 + 2a = 30, 2a = 12, a = 6. Finally, ( ᎏ a b ᎏ ) 2 = ( ᎏ – 6 3 ᎏ ) 2 = (– ᎏ 1 2 ᎏ ) 2 =...

Ngày tải lên: 22/07/2014, 10:22

... undefined when x = 2? a. y = ᎏ x x + 2 2 ᎏ b. y = ᎏ x 2 +4 x x +4 ᎏ c. y = ᎏ x 2 2 – x 4 + x 4 +4 ᎏ d. y = ᎏ x 2 – + x 2 3 + x + 2 2 ᎏ e. y = ᎏ x x 2 2 + + 2 6 x x + + 2 8 ᎏ 2. If graphed, ... of angle ACB? a. ᎏ 1 2 ᎏ b. 2 ෆ c. d. e. cannot be determined ͙3 ෆ ᎏ 2 2 ෆ ᎏ 2 –PRACTICE TEST 2 20 7 20 0 –LEARNINGEXPRESS ANSWER SHEET– 1. 2. 3. 4. 5. 6. 7. 8. 9. 1...

Ngày tải lên: 22/07/2014, 10:22