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1. |
Which value occurred the most often? |
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 |
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A. |
0 |
B. |
78 |
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C. |
77 |
D. |
70 |
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Hint |
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2. |
What is the difference between the highest and the lowest values? |
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A. |
75 |
B. |
80 |
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C. |
100 |
D. |
84 |
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Hint |
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3. |
The area of a square is 100 square inches. Find the perimeter of the square. |
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A. |
40 in. |
B. |
100 in. |
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C. |
20 in. |
D. |
10 in. |
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Hint |
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4. |
Solve 2x = -10. |
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A. |
x = -12 |
B. |
x = 5 |
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C. |
x = -5 |
D. |
x = 8 |
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Hint |
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5. |
The median is the _________ of a set of numbers. |
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A. |
highest number |
B. |
average |
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C. |
middle number |
D. |
most frequent |
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Hint |
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6. |
A shirt was $60 and is now $53. What is the approximate percent of change? |
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A. |
10% |
B. |
88.33% |
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C. |
11.67% |
D. |
7% |
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Hint |
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7. |
Express the relation in the table as a set of ordered pairs. |
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 |
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A. |
{(5, 1), (2, 0), (6, 1), (6, 2)} |
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B. |
{(-1, 5), (0, 2), (1, 6), (2, 6)} |
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C. |
{(-1, 5), (0, 2), (1, 2, 6)} |
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D. |
{(-1, 5), (0, 2), (1, 6)} |
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Hint |
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8. |
Determine the value of r so that the line through (5, 2) and (7, r) has a slope of  . |
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A. |
1 |
B. |
6 |
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C. |
3 |
D. |
2 |
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Hint |
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9. |
Choose the slope-intercept form of the equation of the line that passes through (-2, 4) and is perpendicular to the graph of 2x + y = -20. |
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A. |
y = 2x + 8 |
B. |
 |
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C. |
y = -2x |
D. |
 |
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Hint |
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10. |
Which ordered pair is the solution to the given system of equations?
x - 3y = 9
x - 2y = 5 |
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A. |
(-3, -4) |
B. |
(-6, 1) |
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C. |
(9, -3) |
D. |
(3, -2) |
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Hint |
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11. |
Graph the system of equations to determine whether it has no solution, infinitely many solutions, or one solution. If the system has one solution, name it.
 |
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A. |
one solution at  |
B. |
infinitely many solutions |
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C. |
one solution at  |
D. |
no solution |
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Hint |
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12. |
Use elimination to solve the system of equations given below.
5x + 3y = 3
3x + 4y = 15 |
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A. |
(3, -4) |
B. |
(-3, 6) |
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C. |
 |
D. |
(5, 0) |
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Hint |
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13. |
Find (4r + 7s)(4r - 7s) |
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A. |
16r2 - 49s2 |
B. |
16r2 - 56rs + 49s2 |
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C. |
16r2 + 49s2 |
D. |
16r2 + 56rs + 49s2 |
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Hint |
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14. |
Which equation represents exponential decay? |
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A. |
y = 0.86(1.46)x |
B. |
y = 2.62(1.22)x |
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C. |
y = 1.05(0.95)x |
D. |
y = 1.7(1.06)x |
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Hint |
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15. |
Solve –14n = -112. |
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A. |
n = -8 |
B. |
n = -1568 |
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C. |
n = 1568 |
D. |
n = 8 |
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Hint |
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16. |
Line segment  has endpoints A(-6, -3) and B(2, 1). Line segment  has endpoints C(-4, 8) and D(3, -6). Is perpendicular to ? Why? |
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A. |
Yes, the slopes are opposites. |
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B. |
Yes, the slopes are negative reciprocals. |
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C. |
No, the lines are parallel. |
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D. |
No, the lines intersect but not at right angles. |
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Hint |
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17. |
Write the slope-intercept form of an equation for a line that passes through (-1, 0) and is perpendicular to the graph of 3x – 5y = 20. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
Which scatter plot shows that x and y have a positive correlation? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
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. |
2.25 mph |
B. |
6.92 mph |
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C. |
9.75 mph |
D. |
9.23 mph |
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Hint |
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20. |
Simplify ((22)3)4. |
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A. |
224 =16,777,216 |
B. |
29 = 512 |
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C. |
212 = 4096 |
D. |
220 = 1,048,576 |
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Hint |
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