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1. |
Solve 4x > 28. |
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A. |
{x | x < 4} |
B. |
{x | x > 7} |
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C. |
{x | x < 7} |
D. |
{x | x > 28} |
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Hint |
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2. |
Choose the graph of  |
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A. |
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B. |
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C. |
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D. |
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Hint |
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3. |
What is the solution of the system of inequalities? 
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 |
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A. |
region 1 |
B. |
region 3 |
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C. |
region 4 |
D. |
region 2 |
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Hint |
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4. |
Find the perimeter of triangle ABC. |
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A. |
(4w + 22) in. |
B. |
(4w + 8) in. |
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C. |
(8w + 8) in. |
D. |
(8w + 9) in. |
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Hint |
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5. |
Simplify  |
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A. |
13 |
B. |
±13 |
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C. |
±84.5 |
D. |
-13 |
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Hint |
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6. |
Simplify  |
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A. |
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B. |
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C. |
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D. |
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Hint |
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7. |
Simplify  |
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A. |
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B. |
315 |
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C. |
15 |
D. |
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Hint |
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8. |
Solve log4 3 + log4 x = log4 18. |
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A. |
12 |
B. |
15 |
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C. |
6 |
D. |
54 |
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Hint |
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9. |
If  find f (-9). |
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A. |
5 |
B. |
-5 |
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C. |
-1 |
D. |
1 |
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Hint |
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10. |
Solve the system of equations. –2x + 3y = 7
4x – 6y = 8. |
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A. |
y = –22, x = 29.5 |
B. |
y = –22, x = –36.5 |
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C. |
no solution |
D. |
y = –22, x = –31 |
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Hint |
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11. |
Which graph represents the following system:  |
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A. |
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B. |
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C. |
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D. |
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Hint |
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12. |
What are the dimensions of matrix A if  |
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A. |
4 × 4 |
B. |
3 × 4 |
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C. |
3 × 3 |
D. |
4 × 3 |
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Hint |
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13. |
Simplify  |
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A. |
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B. |
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C. |
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D. |
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Hint |
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14. |
Simplify |
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A. |
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B. |
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C. |
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D. |
2 |
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Hint |
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15. |
Is the inverse of a quadratic function a square root function? |
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A. |
It is a square root function only if it is a quadratic function that opens up. |
B. |
It is a square root function only if the range is restricted to nonnegative numbers. |
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C. |
Yes. |
D. |
No. |
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Hint |
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16. |
Write the equation  in standard form. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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17. |
Write an equation for the ellipse whose endpoints of its major axis are at (2, -7) and (2, 3), and that of its minor axis are at (-1, -2) and (5, -2). |
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A. |
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B. |
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C. |
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D. |
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Hint |
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18. |
Write the standard form equation of  and identify the conic section. |
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A. |
 ellipse |
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B. |
 hyperbola |
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C. |
 parabola |
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D. |
 hyperbola |
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Hint |
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19. |
The graph of  has a hole at which point? |
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A. |
(-4, -8) |
B. |
(4, -8) |
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C. |
(4, 8) |
D. |
(-4, 8) |
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Hint |
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20. |
Evaluate 4 + eln9. |
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A. |
4 + e3 |
B. |
9 + e4 |
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C. |
9 + ln 4 |
D. |
13 |
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Hint |
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