Name:    Alg. II SOL AII.7

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

1.

For which value of x does ?
 a. c. b. d.

2.

By simply examining , which are all of the numbers that cannot be solutions of the equation?
 a. 3 c. 9 and 0 b. –3 and 3 d. –3, 0, and 3

3.

For which value of x does ?
 a. 69 c. 21 b. 37 d. 16

4.

Which is the solution set for ?
 a. c. b. d.

5.

Which is the solution set for ?
 a. {–5} c. {–12} b. {–5, 2} d. Æ

6.

How many real solutions does have?
 a. 3 c. 1 b. 2 d. 0

7.

How many rational solutions does have?
 a. 0 c. 2 b. 1 d. 3

8.

The formula describes the relationship between the focal length f of a thin lens, the distance p between the object and the lens, and the distance q between the lens and the image. If an object is placed 30 centimeters from a lens with focal length of 12 centimeters, how far will the image of the object be from the lens?
 a. 0.05 cm c. 18 cm b. 10 cm d. 20 cm

9.

For certain species of tree, the height h, in meters, is approximated by the diameter d, in centimeters, using the formula . Which is closest to the diameter of a 45-meter tall tree of this species?
 a. 79 cm c. 52 cm b. 58 cm d. 26 cm