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1. |
When Kristin works 8 hours, she earns $60. When she works 20 hours, she earns $150. Write a linear equation that describes her earnings. Assume that the changes increase linearly. |
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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. |
Triangle FGH has vertices F(12, 6), G(8, 1), and H(-4, 4). If the triangle is reduced so that the resulting perimeter is half the original perimeter, what are the coordinates of F'? |
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A. |
(6, 3) |
B. |
(6, 6) |
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C. |
(-2, -2) |
D. |
(4, 2) |
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Hint |
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3. |
What is  if  and  |
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A. |
78 |
B. |
88 |
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C. |
31 |
D. |
68 |
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Hint |
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4. |
Solve the proportion  |
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A. |
2 |
B. |
1 |
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C. |
-6 |
D. |
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Hint |
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5. |
A tree that is 5 feet tall casts a shadow 2 feet long. A nearby building casts a shadow that is 20 feet long. How tall is the building? |
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A. |
10 ft |
B. |
50 ft |
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C. |
0.5 ft |
D. |
20 ft |
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Hint |
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6. |
If y varies inversely as x and y = 15 when x = 3, find y when x = 9. |
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A. |
15 |
B. |
3 |
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C. |
5 |
D. |
45 |
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Hint |
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7. |
Use the graph to determine the solution(s) of
x2 - x - 6 = 0. |
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A. |
-6 |
B. |
-3, 2 |
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C. |
-2 |
D. |
-2, 3 |
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Hint |
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8. |
Solve x2 + 2x - 15 > 0. |
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A. |
{x | x < -5 or x > 3} |
B. |
{x | x < -3 or x > 5} |
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C. |
{x | -5 < x < 3} |
D. |
-3, 5 |
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Hint |
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9. |
Use elimination to solve the system of equations.
-x + 2y = 18
x + 8y = -38 |
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A. |
(-5, -1) |
B. |
(-22, -2) |
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C. |
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D. |
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Hint |
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10. |
If a median of a triangle is also an angle bisector, then the triangle is_______. |
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A. |
equilateral |
B. |
right |
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C. |
scalene |
D. |
isosceles |
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Hint |
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11. |
Find the probability of Lose a Turn for the spinner shown. |
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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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12. |
Find the surface area of a cylinder with a radius of 2 meters and a height of 6 meters. |
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A. |
141.4 m2 |
B. |
113.1 m2 |
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C. |
125.7 m2 |
D. |
100.5 m2 |
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Hint |
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13. |
If two lines are cut by a transversal and ______ angles are congruent, then the lines are parallel. |
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A. |
corresponding |
B. |
vertical |
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C. |
adjacent |
D. |
consecutive interior |
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Hint |
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14. |
Which pair of triangles is congruent by the SAS Postulate? |
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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. |
Find the value of x so that  . |
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A. |
1 |
B. |
1.5 |
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C. |
2.5 |
D. |
2 |
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Hint |
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16. |
Find the sum of the measures of the interior angles of a 28-gon. |
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A. |
180 |
B. |
5040 |
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C. |
167 |
D. |
4680 |
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Hint |
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17. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling an even number? |
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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. |
The property of a parabola that allows it to be folded in half so that each half matches the other exactly is called what? |
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A. |
maximum |
B. |
minimum |
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C. |
symmetry |
D. |
vertex |
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Hint |
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19. |
If  bisects  which angel is equal to  |
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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. |
What is the coefficient of the third term in the polynomial expansion for (a + b)4? |
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A. |
5 |
B. |
4 |
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C. |
6 |
D. |
10 |
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Hint |
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