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1. |
Solve 3r + 5 > 26. |
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A. |
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B. |
r > 7 |
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C. |
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D. |
r > 21 |
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Hint |
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2. |
Simplify Assume the denominator is not equal to zero. |
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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. |
What is the equation of the graph shown? |
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A. |
f(x) = -2x2 + 2x - 1 |
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B. |
f(x) = 2x2 + 2x + 1 |
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C. |
f(x) = 2x2 - 2x + 1 |
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D. |
f(x) = -2x2 + 2x + 1 |
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Hint |
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4. |
Find the equation that has direct variation. |
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A. |
y = –3x – 1 |
B. |
y = 5x + 1.3 |
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C. |
y = 4x |
D. |
y = 0.8x + 9 |
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Hint |
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5. |
Find the graph that is nonlinear. |
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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. |
What is the equation of a line that has a slope of –1 and passes through (–2, 0)? |
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A. |
y = –2x + 1 |
B. |
y = –x – 2 |
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C. |
y = –x – 1 |
D. |
y = –x + 2 |
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Hint |
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7. |
Which table shows a quadratic relationship? |
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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 which equation does not represent a reciprocal relationship. |
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A. |
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B. |
ab = 3 |
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C. |
–6 = ef |
D. |
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Hint |
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9. |
Tell whether the statement is sometimes true, always true, or never true for positive values of n. If it is sometimes true, state for what value it is true. 4n = 6,561. |
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A. |
always true |
B. |
sometimes true, n = 7 |
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C. |
sometimes true, n = 8 |
D. |
never true |
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Hint |
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10. |
Julian said, ''I'm thinking of a number. When I add 3 to my number, multiply the sum by 12, divide the product by 8, and subtract the result by 7, I get 11. What is the number I'm thinking of?'' |
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A. |
8 |
B. |
7 |
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C. |
10 |
D. |
9 |
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Hint |
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11. |
John and Margaret have both ridden on the roller coaster called The Scream. Margaret has ridden it eight more than three times the number than John has. She also has ridden it five times the number John has. How many times has John ridden The Scream? |
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A. |
3 |
B. |
20 |
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C. |
4 |
D. |
6 |
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Hint |
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12. |
Use you calculator's Table feature to approximate the solutions to the nearest hundredth. 4x(x + 2) = 12 |
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A. |
x = 2, x = –2 |
B. |
x = 0, x = –4 |
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C. |
x = 1, x = –3 |
D. |
x = –1, x = –4 |
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Hint |
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13. |
If you want to scale a segment by a factor of 8, how long will the new segment be? |
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A. |
80% of its original size |
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B. |
64 times its original size |
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C. |
8 times its original size |
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D. |
of its original size |
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Hint |
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14. |
Rule: (x, y) (x + 3, y – 5). Find the correct translation. |
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A. |
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B. |
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D. |
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Hint |
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15. |
Find the solutions of the equation.–2(x – 7) 2 = –32 |
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A. |
x = 3 and x = 11 |
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B. |
x = 3 and x = –11 |
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C. |
x = –3 and x = 11 |
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D. |
x = –3 and x = –11 |
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Hint |
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16. |
Rewrite the expression as a square with a constant added or subtracted.x2 – 6x – 15 |
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A. |
(x – 3) 2 – 15 |
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B. |
(x – 3) 2 – 9 |
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C. |
(x – 3) 2 – 24 |
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D. |
(x – 3) 2 + 9 |
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Hint |
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17. |
Consider the function f(x) = –x2 + 5. Write the new equation of the function after it has been translated 3 units down. |
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A. |
f(x) = –(x – 3) 2 + 5 |
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B. |
f(x) = –(x + 3) 2 + 5 |
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C. |
f(x) = –x2 + 8 |
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D. |
f(x) = –x2 + 2 |
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Hint |
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18. |
Suppose you spin one spinner numbered 1 to 3 and another spinner numbered 1 to 5, and multiply the two outcomes. What is the probability that the product will be odd? |
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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. |
Suppose two players each roll a die and find the difference between the numbers, subtracting the lesser number from the greater number. Which difference gives the greatest probability? |
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A. |
2 |
B. |
0 |
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C. |
4 |
D. |
1 |
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Hint |
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20. |
In the three-team playoff structure below, what is the probability that Team C will win assuming every team has an equal chance of winning? |
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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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