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1. |
What is the difference 6 - (-6)? |
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A. |
6 |
B. |
-6 |
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C. |
12 |
D. |
0 |
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Hint |
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2. |
Evaluate  if z = 6 and b = 3. |
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A. |
-39 |
B. |
14 |
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C. |
-14 |
D. |
 |
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Hint |
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3. |
Ten students were comparing their weekly allowances. The allowances were $4.50, $7.00, $5.00, $10.00, $5.00, $12.50, $8.50, $17.50, $20.00, and $12.00. What is the mean of this set of data? |
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A. |
$10.20 |
B. |
$5.00 |
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C. |
$9.25 |
D. |
$102.00 |
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Hint |
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4. |
 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
An experiment consists of tossing a coin three times. How many of the outcomes include at least 2 heads? |
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A. |
1 |
B. |
4 |
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C. |
3 |
D. |
2 |
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Hint |
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6. |
Solve the equation -8 =  |
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A. |
-59 |
B. |
2 |
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C. |
-56 |
D. |
-53 |
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Hint |
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7. |
The formula for the area of a triangle is A =  where b is the
length of the base and h is the height. The area of a particular triangle
is 39 square feet. The length of the base is (4a + 2) feet and the
height is 3 feet. What is the value of a? |
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A. |
6.5 |
B. |
6 |
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C. |
3 |
D. |
1.5 |
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Hint |
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8. |
On a map, 1 inch represents 75 miles. If the distance on the map between two towns is 2 inches, what is the actual distance between the two towns? |
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A. |
150 miles |
B. |
50 miles |
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C. |
37.5 miles |
D. |
75 miles |
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Hint |
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9. |
Find 12.5% of 32. |
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A. |
256 |
B. |
2.56 |
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C. |
400 |
D. |
4 |
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Hint |
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10. |
A linear function that can be written in the form y = kx, where k 0, is called a(n)_______. |
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A. |
functional variation |
B. |
variable variation |
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C. |
direct variation |
D. |
equivalent variation |
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Hint |
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11. |
Graphs that have at least one characteristic in common that makes them different from other groups of graphs are called _________. |
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A. |
reciprocal graphs |
B. |
positive graphs |
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C. |
identity graphs |
D. |
a family of graphs |
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Hint |
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12. |
To determine the speed of a vehicle involved in an accident, police officers use the formula  . In the formula, s is the speed in miles per hour, d is the length of the skid marks in feet, and f is the friction factor. Suppose for a particular accident d = 45 feet and f = 0.8. What was the approximate speed of the vehicle? |
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A. |
198 miles per hour |
B. |
33 miles per hour |
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C. |
14 miles per hour |
D. |
84 miles per hour |
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Hint |
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13. |
Suppose you have the graph of y = x2 and the graph of y = –3x2 + 1. Which statement is not true about the graphs? |
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A. |
The graphs have the same axis of symmetry. |
B. |
The graph of y = x2 is wider than the graph of
y = –3x2 + 1. |
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C. |
One graph opens upward, the other opens downward. |
D. |
The graphs have the same vertex. |
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Hint |
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14. |
Solve –4x(x – 7) = 0. |
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A. |
0 and 7 |
B. |
–4 and 7 |
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C. |
–7 and 0 |
D. |
–7 and –4 |
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Hint |
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15. |
Lori wants to spend no more than $50 on decorations and cake for her friend's birthday party. The cake she wants costs $27.50. How much money can she spend on the decorations? Express the answer as an inequality. |
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A. |
 |
B. |
m < 72.50 |
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C. |
m < 22.50 |
D. |
 |
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Hint |
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16. |
Jacinda has $180 in the bank with an annual simple interest of 7%. How much money will she have in the bank after 3 years? |
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A. |
$37.80 |
B. |
$42.60 |
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C. |
$217.80 |
D. |
$222.60 |
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Hint |
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17. |
If two events can occur at the same time, the events are called ______. |
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A. |
exclusive |
B. |
mutually exclusive |
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C. |
mutually inclusive |
D. |
inclusive |
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Hint |
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18. |
If there are 3 feet in 1 yard, how many feet are in 7.8 yards? |
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A. |
2.6 ft |
B. |
23.4 ft |
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C. |
2.2 ft |
D. |
14.9 ft |
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Hint |
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19. |
The graphs below are a family of graphs because __________. |
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 |
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A. |
they have different slopes |
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B. |
they have the same y-intercept |
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C. |
they have the same x-intercept |
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D. |
they have the same slope |
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Hint |
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20. |
The vertical line containing the vertex of the parabola is called the ___________. |
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A. |
minimum |
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B. |
quadratic function |
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C. |
axis of symmetry |
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D. |
axis of perpendicularity |
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Hint |
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