Sat math essentials 7 docx

... Math sections of the SAT. Answers and explanations follow the practice tests. The Glossary provides definitions of all key math terms used in this book. Introduction v  What Is the SAT? The SAT ... 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 Give...

Ngày tải lên: 07/08/2014, 22:20

... therefore correct. Unfortunately, the SAT does not include this type of multiple-choice question. Instead, the SAT includes the other type of multiple-choice question. SAT ques- tions include one or ... on the SAT so that they don’t surprise you with their tricks. CHAPTER Techniques and Strategies The next four chapters will help you review all the mathematics you need to know for the...

Ngày tải lên: 07/08/2014, 22:20

... 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 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 • 9...

Ngày tải lên: 22/07/2014, 10:22

... 180(x Ϫ 2) S ϭ 180(6 Ϫ 2) S ϭ 180(4) S ϭ 72 0 The sum of the angles in the polygon is 72 0°. 12 4 3 m∠1 + m∠2 + m∠3 + m∠4 = 360° B CF A D E –GEOMETRY REVIEW– 1 27 Answer a. To find the length of an arc, ... ϭ ᎏ 81 3 π ᎏ A ϭ 27 The area of the sector is 27 . x° r r secto r –GEOMETRY REVIEW– 123 Practice Question What is the area of the sector shown above? a. ᎏ 4 3 9 6 π 0 ᎏ b. ᎏ 7 3 π ᎏ c...

Ngày tải lên: 22/07/2014, 10:22

... 3y ϭ 7 Ϫ (x Ϫ 6y ϭϪ5) (x Ϫ x) ϩ (Ϫ 3y ϩ 6y) ϭ 7 Ϫ (Ϫ5) 3y ϭ 12 y ϭ 4 is the answer. Now substitute 4 for y in one of the original equations and solve for x. x Ϫ 7 ϭ 3y x Ϫ 7 ϭ 3(4) x Ϫ 7 ϭ 12 x ... Question Which of the following are the factors of 56a 5 ϩ 21a? a. 7a(8a 4 ϩ 3a) b. 7a(8a 4 ϩ 3) c. 3a(18a 4 ϩ 7) d. 21a(56a 4 ϩ 1) e. 7a(8a 5 ϩ 3a) Answer b. To find the factors, deter...

Ngày tải lên: 22/07/2014, 10:22

... 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 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 • 9...

Ngày tải lên: 02/11/2013, 18:20

... 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 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 • 9...

Ngày tải lên: 02/11/2013, 18:20

... 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 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 • 9...

Ngày tải lên: 02/11/2013, 18:20

... – 110 = 70 degrees. OB and DO are radii, which makes triangle DBO isosceles, and angles ODB and DBO congruent. Since DBO is 70 degrees, ODB is also 70 degrees, and DOB is 180 – (70 + 70 ) = 180 ... = 7. There are (7) (3) = 21 four-person booths and (7) (5) = 35 two- person booths. Section 2 Answers 1. c. Substitute –3 for x and solve for y: y = –(–3) 3 + 3(–3) – 3 y = –(– 27) – 9 – 3 y =...

Ngày tải lên: 22/07/2014, 10:22