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1. |
Solve  |
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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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2. |
Which is the standard form of a linear equation? |
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A. |
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B. |
3x2 + y = 5 |
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C. |
4x - 9y = 1 |
D. |
y = 2x - 3 |
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Hint |
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3. |
Choose the scatter plot that has a prediction equation with a negative slope. |
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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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4. |
If g(x) = |x + 3|, find g(-7). |
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A. |
4 |
B. |
-7 |
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C. |
-4 |
D. |
10 |
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Hint |
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5. |
What is the solution of the system of inequalities? 
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A. |
region 2 |
B. |
region 1 |
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C. |
region 3 |
D. |
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Hint |
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6. |
Solve the system of equations. 
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A. |
(10, -1, 11) |
B. |
(7, -2, 1) |
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C. |
(13, 0, -4) |
D. |
(1, -4, 6) |
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Hint |
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7. |
Write the translation matrix for  and its image  |
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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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8. |
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A. |
[10 37] |
B. |
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C. |
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D. |
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Hint |
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9. |
Solve  |
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A. |
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B. |
5 |
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C. |
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D. |
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Hint |
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10. |
The parabola with equation x = -2y2 + 3y - 5 opens _____. |
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A. |
upward |
B. |
downward |
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C. |
left |
D. |
right |
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Hint |
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11. |
Find an equation of a circle if the endpoints of a diameter are at (-2, -3) and (1, 7). |
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A. |
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B. |
(x - 1)2 + (y - 7)2 = 109 |
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C. |
(x + 2)2 + (y + 3)2 = 109 |
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D. |
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Hint |
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12. |
Find the standard form of the equation 2x2 + 2y2 = 8x -16y - 32. |
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A. |
(x - 2)2 + (y + 4)2 = 4 |
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B. |
x2 + y2 - 4x + 8y + 16y + 16 = 0 |
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C. |
2x2 + 2y2 - 8x + 16y + 32 = 0 |
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D. |
2(x - 2)2 +2(y + 4)2 = 4 |
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Hint |
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13. |
The graph of the equation 3x2 + 2y2 + 18x + 21 = 0 is a(n) _____. |
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A. |
ellipse |
B. |
hyperbola |
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C. |
parabola |
D. |
line |
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Hint |
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14. |
A cellular telephone company charges $0.20 per minute or fraction thereof. If Miguel, a customer of this company, talks on his cell phone for 23.27 minutes, what will his charges be for that phone call? |
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A. |
$4.80 |
B. |
$4.60 |
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C. |
$4.65 |
D. |
$4.66 |
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Hint |
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15. |
Which of the following is an example of a column matrix? |
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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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16. |
If  and  find 3A + 2B. |
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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. |
Find  |
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A. |
q – 9 |
B. |
q + 9 |
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C. |
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D. |
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Hint |
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18. |
 |
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A. |
5 |
B. |
1 |
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C. |
–5 |
D. |
4 |
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Hint |
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19. |
Write the expression  in quadratic 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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20. |
The graph represents which of the following? |
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A. |
circle |
B. |
ellipse |
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C. |
parabola |
D. |
hyperbola |
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Hint |
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