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1. |
The formula for the area of a trapezoid is  Solve the formula for h. |
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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. |
Write an inequality for the following problem. One fourth of a number increased by 17 is at least 63. |
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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. |
State the solution of the system of equations graphed below. |
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A. |
(3, -1) |
B. |
(0, 3) |
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C. |
(-1, 3) |
D. |
(3, 1) |
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Hint |
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4. |
Use the substitution method to solve m - n = 7 and 3m + 2n = 6. |
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A. |
(4, -3) |
B. |
(-3, -10) |
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C. |
(-5, 2) |
D. |
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Hint |
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5. |
Solve the system of inequalities by graphing. 
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A. |
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B. |
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C. |
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D. |
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6. |
A(n) _____ is a transformation that occurs when a figure is moved from one location to another. |
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A. |
translation |
B. |
addition |
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C. |
dilation |
D. |
enlargement |
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Hint |
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7. |
Determine which matrix is the 3 × 3 identity 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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8. |
Find the inverse of  |
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A. |
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B. |
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D. |
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Hint |
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9. |
Simplify -8i · 6i. |
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A. |
-48 |
B. |
48-1 |
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C. |
48 |
D. |
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Hint |
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10. |
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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11. |
Solve the equation | 3a + 2 | - 2 = 4a + 1. |
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A. |
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B. |
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C. |
-1 |
D. |
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Hint |
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12. |
Solve the equation | b – 7 | + 5 = 3. |
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A. |
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B. |
5 |
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C. |
9 |
D. |
{5, 9} |
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Hint |
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13. |
Graph the line through (2, 3) that is perpendicular to the line with equation 2x + 5y = 1. |
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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. |
What is the y-intercept of the graph of the line with equation  |
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A. |
-7 |
B. |
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C. |
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D. |
7 |
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Hint |
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15. |
Find the value of the determinant of  |
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A. |
6 |
B. |
–32 |
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C. |
2 |
D. |
64 |
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Hint |
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16. |
Solve the system –2x – 4y = 7, 3x + 5y = 9. |
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A. |
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B. |
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C. |
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D. |
(71, –39) |
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Hint |
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17. |
Find the inverse of  if it exists. |
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A. |
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B. |
does not exist, since ad – bc = 0 |
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C. |
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D. |
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Hint |
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18. |
In a sport similar to football, there are two ways to score: by the run or by the pass. Team A scored 244 points, while Team B scored 273 points. Team A scored by the pass 21 times, and by the run 11 times. Team B scored by the pass 27 times, and by the run 6 times. How many points is each score worth? |
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A. |
pass = 5 pointsrun = 9 points |
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B. |
pass = 7 pointsrun = 14 points |
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C. |
pass = 5 pointsrun = 23 points |
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D. |
pass = 9 pointsrun = 5 points |
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Hint |
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19. |
Express the result in scientific notation.  |
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A. |
1.25 × 104 |
B. |
1.25 × 10-4 |
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C. |
1.25 × 1010 |
D. |
1.25 × 10-10 |
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Hint |
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20. |
Find  |
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A. |
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B. |
q + 9 |
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C. |
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D. |
q – 9 |
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Hint |
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