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1. |
Find the difference -3.35 - 6.21. |
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A. |
-2.86 |
B. |
9.56 |
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C. |
2.86 |
D. |
-9.56 |
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Hint |
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2. |
Solve the equation 3x + 7 = 5x - 2. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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3. |
What is the probability that you roll an odd number on a six-sided number cube? |
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A. |
3:1 |
B. |
 |
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C. |
 |
D. |
1:1 |
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Hint |
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4. |
Use substitution to solve the system of equations given below.
8x - 4y = 16
2x - y = 4 |
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A. |
(0, -4) |
B. |
no solution |
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C. |
infinitely many solutions |
D. |
(2, 0) |
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Hint |
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5. |
Simplify x3y0z-2. |
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A. |
-x3yz2 |
B. |
 |
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C. |
 |
D. |
0 |
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Hint |
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6. |
Find the difference (-3x3 – 7x2 + 5x – 4) – (6x2 – 8). |
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A. |
–3x3 – 13x2 + 5x + 4 |
B. |
–3x3 – x2 + 5x - 12 |
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C. |
-11x8 + 4 |
D. |
–3x3 – 13x2 + 5x - 12 |
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Hint |
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7. |
Find (x - 4)2. |
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A. |
x2 - 4x + 16 |
B. |
x2 - 16 |
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C. |
x2 + 16 |
D. |
x2 - 8x + 16 |
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Hint |
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8. |
Find (3a + 4b)2 |
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A. |
9a2 + 16b2 |
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B. |
9a2 + 12ab + 16b2 |
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C. |
3a2 + 24ab + 4b2 |
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D. |
9a2 + 24ab + 16b2 |
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Hint |
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9. |
What is the equation of the graph shown? |
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 |
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A. |
y = x2 - 2x + 1 |
B. |
y = -x2 +2x - 1 |
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C. |
y = -x2 - 2x - 1 |
D. |
y = x2 + 2x + 1 |
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Hint |
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10. |
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many students responded with an answer of 4 or more family members? |
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A. |
50 |
B. |
70 |
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C. |
20 |
D. |
45 |
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Hint |
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11. |
Translate the equation into a verbal sentence.  |
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A. |
One-third of a number x minus 4 equals 5. |
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B. |
One-third times the difference of a number x and 5 is 4. |
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C. |
One-third of a number x minus 5 equals 4. |
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D. |
Five subtracted from the quotient of  and a number x is 4. |
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Hint |
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12. |
Write an equation for the nth term of –23, 38, 99, 160, …. |
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A. |
 = 38n – 61 |
B. |
= 61n – 84 |
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C. |
= -46n |
D. |
= 61n – 24 |
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Hint |
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13. |
Find the slope of the line that passes through (-2, 9.5) and (4, 5). |
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A. |
undefined |
B. |
0 |
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C. |
 |
D. |
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Hint |
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14. |
Write an equation of a line that passes through (-3, 4) with slope -. |
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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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15. |
Which equation describes the line that contains the points (-1, -8) and (-9, -21)? |
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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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16. |
Use substitution to solve the system of equations given by y =  and 28x – 32y = -8. |
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A. |
infinitely many solutions |
B. |
(1, 1) |
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C. |
(2, 2) |
D. |
no solution |
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Hint |
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17. |
A boat travels 30 miles upstream in 4 hours. The trip downstream takes 2.5 hours. Find the rate of the boat in still water. |
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A. |
9.75 mph |
B. |
6.92 mph |
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C. |
9.23 mph |
D. |
2.25 mph |
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Hint |
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18. |
Suppose the matrix  represents the records of the top four teams in a baseball season. If someone used this matrix to predict the total number of wins and losses by the second place team in the next decade (ten years), how many wins and losses would they predict? |
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A. |
950 wins, 670 losses |
B. |
910 wins, 710 losses |
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C. |
980 wins, 640 losses |
D. |
980 wins, 950 losses |
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Hint |
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19. |
Simplify ((22)3)4. |
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A. |
212 = 4096 |
B. |
29 = 512 |
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C. |
224 =16,777,216 |
D. |
220 = 1,048,576 |
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Hint |
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20. |
How can the polynomial x2y2 + 2y3 – 5xy4 + x3 be written with powers of x in descending order? |
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A. |
x3 + x2y2 + 2y3 – 5xy4 |
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B. |
x2y2 + 2y3 + x3– 5xy4 |
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C. |
x2y2 + x3+ 2y3 – 5xy4 |
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D. |
x3 + x2y2 – 5xy4 + 2y3 |
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Hint |
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