MATH 8 CHAPTER 9 TEST REVIEW REAL NUMBERS AND RIGHT TRIANGLES

1.Find the square roots of the number. 20,164 A)B) C) D)

2.Approximate the square root to the nearest integer. A)15B)22.1 C)150D)17

3.Use a calculator to approximate the square root. Round to the nearest tenth, if necessary. A)–13B) –0.65 C) –0.13 D)–0.065

4. Simplify the expression. A)B) C)D)

5.Simplify the expression. A)B) C)D)

6. Simplify the expression. A)B) C)D)

7.Find the unknown length. Round to the nearest tenth if necessary. A)10.8 in.B)5.4 in. C)12.4 in.D)14.0 in.

8.Find the unknown length. Express your answer in simplest form. A) B) C) D)

9.Two lengths of a triangle are given. Find the length of the third side. a = 9, b = 12 A)B) C)D)

10.Which of the following is a rational number? A)B) C)D)

11.Complete the statement with, or =. A) C)=

12.Order the numbers from least to greatest. A)B) C)D)

13.Find the distance between the points. Write your answer in simplest form. (-8, -1), (5, 0) A)B) C)D)

14.Find the midpoint of the segment with the given endpoints. (-11, 7), (-12, -14) A)B) C)D)

15.Find the distance between the points A and B. A) B) C) D)

16.Find the unknown length. Write your answer in simplest form. A) B) C) D)

17.Find the unknown length. Write your answer in simplest form. A) B) C) D)

18.Find the unknown length. Write your answer in simplest form. A) B) C) D)

19.Find tan B as a fraction in simplest form. (The figure may not be drawn to scale.) A) B) C) D)

20.Find the value of x. Round your answer to the nearest tenth. (The figure may not be drawn to scale.) A)9.4 ft B)10.2 ft C)56.5 ft D)22.1 ft