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1. |
Which statement is true about the graph shown below? |
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A. |
The range is {-3, -2, 0, 1}. |
B. |
The domain is {-3, 2, 4}. |
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C. |
The relation is a function. |
D. |
The relation is not a function. |
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Hint |
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2. |
Determine the slope of the line that passes through the points at
(1, 5) and (-4, 0). |
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A. |
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B. |
1 |
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C. |
0 |
D. |
-1 |
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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. |
 |
B. |
 |
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C. |
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D. |
 |
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4. |
Which equation describes graph A? |
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A. |
y = | 2.25x | |
B. |
y = | x - 1 | |
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C. |
y = 2.25| x | - 1 |
D. |
y = 2.25x - 1 |
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Hint |
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5. |
Choose the graph of y < 2x. |
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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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6. |
Find the value of 63. |
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A. |
216 |
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B. |
18 |
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C. |
36 |
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D. |
729 |
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Hint |
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7. |
A graph of a system of three linear equations in three variables is shown below. How many solutions does the system have? |
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A. |
infinite number |
B. |
0 |
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C. |
2 |
D. |
1 |
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Hint |
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8. |
Evaluate  using diagonals. |
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A. |
107 |
B. |
37 |
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C. |
21 |
D. |
33 |
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Hint |
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9. |
Does the inverse of  exist? If it does not exist, explain why not. |
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A. |
No; the determinant equals 0. |
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B. |
No; the elements of the principal diagonal are not 1. |
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C. |
Yes |
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D. |
No; the matrix is not square. |
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Hint |
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10. |
Express 45,280,000 in scientific notation. |
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A. |
4.528 × 10-7 |
B. |
4.528 × 107 |
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C. |
45.28 × 106 |
D. |
4.528 × 106 |
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Hint |
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11. |
Find the area of the parallelogram. |
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A. |
(36a2 - 84ab - 49b2) cm2 |
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B. |
(36a2 - 49b2) cm2 |
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C. |
(12a2 + 14b2) cm2 |
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D. |
(36a2 + 49b2) cm2 |
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Hint |
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12. |
 |
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A. |
x2 |
B. |
x |
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C. |
|x5| |
D. |
|x| |
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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. |
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Hint |
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15. |
Name the property illustrated by the equation 5 ·? (-2 – 7) = 5 ·? -2 – 5 ·? 7. |
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A. |
Commutative Property |
B. |
Inverse Property |
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C. |
Associative Property |
D. |
Distributive Property |
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Hint |
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16. |
Solve the equation | b – 7 | + 5 = 3. |
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A. |
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B. |
{5, 9} |
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C. |
5 |
D. |
9 |
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Hint |
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17. |
Graph the relation represented by y = x2 – x + 1. |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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18. |
What is the inequality represented in the graph? |
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A. |
x + 2y  4 |
B. |
x + 2y > 4 |
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C. |
x + 2y  4 |
D. |
x + 2y > 4 |
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Hint |
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19. |
What is true about a system of equations in three variables that has 1 solution? |
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A. |
planes intersect in one point |
B. |
planes have no points in common |
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C. |
planes intersect in the same plane |
D. |
planes intersect in one line |
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Hint |
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20. |
Factor 4x2 – 5x – 6. |
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A. |
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B. |
(4x + 3)(x – 2) |
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C. |
 |
D. |
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Hint |
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