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1. |
What is the value of 9 - [12 + (15 ÷ 3)]? |
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A. |
-8 |
B. |
2 |
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C. |
0 |
D. |
26 |
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Hint |
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2. |
Solve |4x + 2| + 6 = 0. |
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A. |
1 |
B. |
 |
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C. |
2 |
D. |
-2 |
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Hint |
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3. |
Solve 2(y - 9) < 6. |
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A. |
{y | y > 12} |
B. |
{y | y > -6} |
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C. |
{y | y < 6} |
D. |
{y | y < 12} |
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Hint |
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4. |
Solve x + 4 > 1 or x - 7 < 6. |
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A. |
all reals |
B. |
{x | x < 13} |
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C. |
{x | x < -3 or x > 13} |
D. |
{x | x > -3} |
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Hint |
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5. |
Given the function f(x) = x2 + 9, find f(-3). |
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A. |
6 |
B. |
18 |
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C. |
12 |
D. |
0 |
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Hint |
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6. |
If f(x) = [2x - 1], find f(5.4). |
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A. |
8 |
B. |
9.8 |
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C. |
10 |
D. |
9 |
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Hint |
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7. |
Solve the system of equations. 
|
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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8. |
Solve [3x 8y] = [-12 1] for x and y. |
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A. |
x = 4
y = 1 |
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B. |
x = -12
y = 1 |
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C. |
x = -4
y =  |
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D. |
x = -4
y = 8 |
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Hint |
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9. |
Find  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Determine which expression is not a polynomial. |
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A. |
x2 - y2 + z2 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
 |
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A. |
x2 |
B. |
|x| |
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C. |
x |
D. |
|x5| |
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Hint |
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12. |
Evaluate  if a = 2, b = 4, and c = -1. |
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A. |
2.4 |
B. |
7 |
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C. |
-14 |
D. |
1 |
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Hint |
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13. |
Name the sets of numbers to which  belongs. |
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A. |
Rationals and Reals |
B. |
Irrationals and Reals |
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C. |
Naturals, Wholes, Integers, Rationals, and Reals |
D. |
Integers, Rationals, and Reals |
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Hint |
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14. |
What is the slope of a constant function? |
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A. |
0 |
B. |
c, where f (x) = c |
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C. |
-1 |
D. |
1 |
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Hint |
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15. |
What is true about a system of equations in three variables that has 1 solution? |
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A. |
planes intersect in the same plane |
B. |
planes intersect in one line |
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C. |
planes intersect in one point |
D. |
planes have no points in common |
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Hint |
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16. |
Suppose  has vertices A(3, 4), B(-2, 1) and C(2, –3). Dilate so that its perimeter is one-fourth the original perimeter. What are the coordinates of the vertices 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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17. |
Which of the following is a matrix equation for the system 5x – 3y =11, –3x + 2y = 7? |
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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. |
Simplify:  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
Solve  |
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A. |
36 |
B. |
18 |
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C. |
 |
D. |
no real solution. |
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Hint |
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20. |
In the equation  do you have to square both sides? |
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A. |
no |
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B. |
yes, in order to simplify. |
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C. |
cannot be determined |
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D. |
yes, in order to isolate x |
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Hint |
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