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1. |
State the slope and y-intercept of the graph of -y = -0.9x + 4. |
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A. |
m = -0.9, b = 4 |
B. |
m = -4, b = 0.9 |
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C. |
m = 4, b = -0.9 |
D. |
m = 0.9, b = -4 |
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Hint |
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2. |
 |
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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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3. |
Write the translation matrix for  and its image  |
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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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4. |
Find  |
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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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5. |
Express 0.091 in scientific notation. |
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A. |
9.1 × 101 |
B. |
9.1 × 102 |
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C. |
9.1 × 10-1 |
D. |
9.1 × 10-2 |
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Hint |
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6. |
Factor m3 - 4m2 + 6m - 24. |
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A. |
(m - 4)(m2 + 6) |
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B. |
(m + 4)(m2 - 6) |
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C. |
m(m2 - 4m + 6) - 24 |
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D. |
m2(m - 4) + 6m - 24 |
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Hint |
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7. |
Find the quotient (-100) ÷ (-25). |
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A. |
4 |
B. |
75 |
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C. |
-125 |
D. |
-4 |
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Hint |
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8. |
Solve the equation  |
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A. |
a = 5 |
B. |
a =  |
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C. |
a =  |
D. |
a = 0 |
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Hint |
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9. |
Marty has a piece of rope with exactly 7 knots tied at equal intervals as shown. Using the rope, he wants to make triangles so that each vertex of the triangle occurs at a knot. How many different triangles can Marty make? |
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A. |
2 |
B. |
4 |
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C. |
1 |
D. |
3 |
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Hint |
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10. |
Find the standard deviation of the data in the stem-and-leaf plot to the nearest hundredth. |
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A. |
10.72 |
B. |
11.74 |
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C. |
217.00 |
D. |
228.50 |
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Hint |
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11. |
Use elimination to solve the system of equations.
-x + 2y = 18
x + 8y = -38 |
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A. |
(-5, -1) |
B. |
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C. |
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D. |
(-22, -2) |
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Hint |
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12. |
Which are not the measures of the sides of a right triangle? |
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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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13. |
Find (x + 3)(x - 5). |
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A. |
x2 + 2x - 15 |
B. |
x2 - 2x - 15 |
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C. |
x2 - 15 |
D. |
x2 + 8x - 15 |
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Hint |
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14. |
A bag contains 7 blue marbles, 8 green marbles, 15 red marbles, and 10 yellow marbles. Find the probability of randomly drawing without replacement, a blue marble and then a red. |
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A. |
 or about 0.0673 |
B. |
 or about 0.2273 |
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C. |
 or about 0.0656 |
D. |
 or about 0.0438 |
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Hint |
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15. |
How many planes appear on the figure shown? |
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 |
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A. |
6 |
B. |
7 |
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C. |
5 |
D. |
8 |
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Hint |
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16. |
Find the value of x. |
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A. |
4 |
B. |
2 |
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C. |
3 |
D. |
5 |
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Hint |
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17. |
Write an equation in slope-intercept form for the line that has a slope of 2 and passes through (-4, -6). |
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A. |
y = 2x + 2 |
B. |
y = 2x - 8 |
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C. |
y = 2x - 2 |
D. |
y = 2x + 8 |
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Hint |
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18. |
Find  . |
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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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19. |
Determine whether the trinomial 9x2 – 60x + 25 is a perfect square trinomial. If so, factor it. |
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A. |
(3x + 5)(3x + 5) |
B. |
(3x – 5)(3x – 5) |
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C. |
It is prime. |
D. |
(3x – 5)(3x + 5) |
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Hint |
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20. |
What best describes  |
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A. |
perpendicular bisector |
B. |
median |
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C. |
angle bisector |
D. |
altitude |
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Hint |
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