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# Some multiple choice questions on algebra.

1. Find the center and radius of the circle with equation 1. ______

A. (-6, 15); 4
B. (-6, 15); 2
C. (6, -15); 4
D. (6, -15); 2

2. The points (-2, 1) and (4, 3) are endpoints of the diameter of a circle. Find the length of the radius of the circle.
2. ______
A.
B.
C.
D.

3. Find the midpoint of the segment with endpoints (6, 1) and (- 4, 7). 3. ______

A. (-5, 3)

B. (1, 4)

C.

D. (5, -3)

4. Simplify: 4. ______

A.

B.

C. 25a10 b

D. 25a10

5. Which of the following equations does the graph represent? 5. ______

A. &#61485; 2x&#61472;&#61472;&#61483;&#61472;y = 1

B. &#61472;&#61472;&#61485; x&#61472;&#61472;&#61483;&#61472;&#61490;y = 2&#61472;

C. x&#61472;&#61472;&#61485;&#61472;&#61490;y = 2

D. 2x&#61472;&#61472;&#61485; &#61472;y = 2

6. (7 pts) Suppose it costs \$18.00 per day plus \$0.25 per mile driven to rent a car.
If the total rental charge for one day is \$100.50, how many miles were driven? 6. ______

A. 330
B. 402
C. 474
D. 551

7. Find the slope of the line through the points (5, -6) and (2, -6). 7. ______

A.

B. 0

C. 4

D. Undefined

8. Write a slope-intercept equation for a line passing through the point (4, 1) and
parallel to the line y = 3x + 5. 8. ______

A. y = 5x &#61485; 19

B. y = 3x &#61483; 1

C. y = 3x &#61485; 11

D. y = 3x &#61483; 11

Or For #9 and #10, consider the following graph

9. What are the domain and the range? 9. _______

A. Domain [-4, 2] and Range [-2, 2]

B. Domain [-3, 1] and Range [-2, 2]

C. Domain [-3, 0] and Range [0, 2]

D. Domain [-2, 2] and Range [-4, 2]

10. On what interval is the function decreasing? 10. _______

A. (- 4, -1)

B. (- 3, 0)

C. (- 2, 0)

D. (- 1, 1)

17. Given and , find the domain 17. ______
of the quotient function .
A.
B.
C.
D.
27. The value of a stock is given by the function where V is the value of the stock after time t, in months. Find the value of the stock after 2 months. 27. ______

A. 26.43
B. 31.60
C. 71.57
D. 77.32

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