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1. |
Which list of numbers best describes the set of integers? |
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A. |
-1, -2, -3, -4, ... |
B. |
1, 2, 3, 4, 5, … |
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C. |
0, 1, 2, 3, 4, … |
D. |
…, -3, -2, -1, 0, 1, 2, 3, … |
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Hint |
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2. |
The population of a particular town decreased by 6000 people in 4 years. What was the average change in population per year? |
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A. |
-24,000 |
B. |
-1500 |
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C. |
24,000 |
D. |
1500 |
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Hint |
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3. |
Ten test scores from Mrs. McDaniel's mathematics class are 100, 95, 93, 86, 82, 80, 78, 77, 75, and 75. She calculates the mean, median, and mode of the scores. An eleventh student takes the test with a score of 62. Mrs. McDaniel recalculates the mean, median, and mode of the test scores. Which measure changes the most when the eleventh score is included? |
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A. |
median |
B. |
The mean, median, and mode change equally. |
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C. |
mode |
D. |
mean |
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Hint |
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4. |
Solve the equation |a - 1| = 7. |
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A. |
-8 or 6 |
B. |
8 |
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C. |
-6 |
D. |
-6 or 8 |
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Hint |
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5. |
Solve the proportion  =  |
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A. |
80 |
B. |
20 |
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C. |
6 |
D. |
13.5 |
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Hint |
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6. |
Which ordered pair is a solution of y = 3x + 2? |
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A. |
(1, 1) |
B. |
(2, 0) |
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C. |
(4, 10) |
D. |
(0, 2) |
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Hint |
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7. |
The graphs of the equations y = –2x – 3 and y = –2x + 3 are a family of graphs because _________. |
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A. |
both slopes are negative |
B. |
both equations are solved for y |
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C. |
the slope of each line is –2 |
D. |
the y-intercepts are opposites |
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Hint |
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8. |
What is the equation of the axis of symmetry for the graph of
y = x2 + 2x + 1? |
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A. |
y = –1 |
B. |
x = –1 |
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C. |
x = –2 |
D. |
y = –2 |
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Hint |
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9. |
The Zero Product Property states that for all numbers a and b, if
ab = 0, then ____________. |
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A. |
a = 0 |
B. |
b = 0 |
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C. |
both a = 0 and b = 0 |
D. |
a = 0, b = 0, or both a and b equal 0 |
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Hint |
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10. |
In New York City Crystal, Jolon, Ke-Min and Darnell are all software engineer managers. Their yearly salaries are, consecutively, $121,000, $115,000, $108,000, and $126,000. What is the mean, or average, of their yearly salaries? |
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A. |
$110,000 |
B. |
$189,000 |
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C. |
$117,500 |
D. |
$120,500 |
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Hint |
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11. |
On a science test, Odell and his friends got the following scores. Who had the median score of the group? |
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A. |
Taina |
B. |
Odell |
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C. |
Cindy |
D. |
Candace |
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Hint |
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12. |
Solve the equation -4.8 + k = -3.6. |
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A. |
-8.4 |
B. |
-1.2 |
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C. |
8.4 |
D. |
1.2 |
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Hint |
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13. |
Leon wants to build herself a bookshelf. She draws a scale drawing of the bookshelf, shown below. What will the height of the actual bookshelf be if the scale of the drawing is 1 cm = 2 ft? |
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A. |
9.8 ft |
B. |
8.4 ft |
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C. |
3.2 ft |
D. |
2.1 ft |
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Hint |
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14. |
Use the map to approximate the actual distance from Mountainville to Lakeville. |
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A. |
6 mi |
B. |
1 mi |
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C. |
10 mi |
D. |
3 mi |
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Hint |
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15. |
Mindy's hamster, Fluffy, just had babies. Her dad tells her she can keep 15% of the baby hamsters. If Fluffy had 20 baby hamsters, how many of them can Mindy keep? |
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A. |
3 hamsters |
B. |
133 hamsters |
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C. |
15 hamsters |
D. |
5 hamsters |
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Hint |
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16. |
Find the percent increase or decrease to the nearest percent.
original: 113
new: 150 |
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A. |
37% decrease |
B. |
33% increase |
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C. |
33% decrease |
D. |
37% increase |
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Hint |
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17. |
If an event has a 5% chance of happening, how likely is it going to happen? |
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A. |
very likely |
B. |
impossible |
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C. |
unlikely |
D. |
certain |
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Hint |
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18. |
Consider the equation y = 3x + 2. Which graph will have a less steep graph, but the same y-intercept? |
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A. |
y = -4x + 2 |
B. |
y = 3x – 2 |
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C. |
y = 2x + 2 |
D. |
y = 3x – 4 |
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Hint |
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19. |
Which line is perpendicular to y = -4x + 2 and passes through the point (4, 3)? |
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A. |
y =  x –  |
B. |
y =  x + 2 |
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C. |
y =  x + |
D. |
y = -x + 4 |
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Hint |
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20. |
The area of a square is x2 – 16x + 64 square units. Find the perimeter. |
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A. |
(x + 8) units |
B. |
(x – 8) units |
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C. |
(4x – 32) units |
D. |
(4x + 32) units |
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Hint |
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