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1. |
How many diagonals are there in an 11-sided figure? |
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A. |
22 |
B. |
11 |
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C. |
44 |
D. |
43 |
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Hint |
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2. |
Graph {-3, 3}. |
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A. |
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B. |
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C. |
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D. |
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3. |
What is the probability of selecting a red or yellow marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles? |
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A. |
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B. |
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C. |
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D. |
1:1 |
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Hint |
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4. |
Graph K(2, -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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5. |
Graph y = 2x + 5. |
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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. |
Determine the value of r so that the line through (5, 2) and (7, r) has a slope of  . |
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A. |
2 |
B. |
6 |
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C. |
3 |
D. |
1 |
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Hint |
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7. |
Write the point-slope form of an equation of the line that contains  , which is the hypotenuse of the right triangle. |
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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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8. |
What is implied when it is said that x and y have a negative correlation? |
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A. |
When the value of x is negative, the value of y negative. |
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B. |
When the value of x increases, the value of y decreases. |
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C. |
When the value of x increases, the value of y increases. |
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D. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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Hint |
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9. |
Determine which point is a solution to the system of inequalities by graphing.
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A. |
(5, 6) |
B. |
no solution |
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C. |
(3, 2) |
D. |
(0, 7) |
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Hint |
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10. |
Find –8x3y2(3xy4 – 2x5 – y). |
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A. |
–5x4y6 - 10x8y2 - 9x3y3 |
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B. |
–24x4y6 + 16x15y2 + 8x3y3 |
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C. |
–24x4y6 + 16x8y2 + 8x3y3 |
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D. |
–24x4y6 - 16x8y2 + 8x3y3 |
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Hint |
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11. |
Find (4r + 7s)(4r - 7s) |
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A. |
16r2 - 56rs + 49s2 |
B. |
16r2 + 49s2 |
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C. |
16r2 - 49s2 |
D. |
16r2 + 56rs + 49s2 |
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Hint |
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12. |
Solve x2 – x – 72 = 0. |
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A. |
x = 9 |
B. |
x = -8 or x = 9 |
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C. |
x = -8 |
D. |
x = 8 or x = -9 |
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Hint |
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13. |
Which values are a counterexample to the given statement?
If x · y = a decimal, then neither x nor y is a whole number. |
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A. |
x = 1, y = 0.5 |
B. |
x = 1.75, y = 0.9 |
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C. |
x = 7.1, y = 2.2 |
D. |
x = 0.3, y = 0.2 |
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Hint |
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14. |
Solve 4w – x = wy + 10 for w. |
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A. |
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B. |
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C. |
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D. |
w = 14 + x – y |
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Hint |
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15. |
Graph  |
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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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16. |
Solve 16(t – 1) + 10 > 8(t + 2) + 4(t – 1) + 4t. |
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A. |
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B. |
t > -1 |
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C. |
t > 1 |
D. |
t < 1 |
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Hint |
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17. |
What is the value of (4.4 × 109)(3 × 10-5) in scientific notation? |
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A. |
1.5 × 104 |
B. |
1.32 × 104 |
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C. |
1.32 × 105 |
D. |
1.32 × 106 |
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Hint |
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18. |
Find the area of a triangle with base 2x + 3 and height 3x – 1. |
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A. |
 x2 +  x – 3 |
B. |
3x2 + x  |
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C. |
5x2 + 7x – 3 |
D. |
6x2 + 7x – 3 |
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Hint |
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19. |
Factor x2 – 4x – 32. |
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A. |
(x – 8)(x + 4) |
B. |
(x – 16)(x + 2) |
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C. |
(x + 8)(x – 4) |
D. |
(x +16)(x – 2) |
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Hint |
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20. |
Suppose the area of a square isx2 – 10x + 25. What is the perimeter of the square? |
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A. |
4x |
B. |
2x |
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C. |
2x – 10 |
D. |
4x – 20 |
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Hint |
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