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1. |
Write an inequality for the sentence three times a number is less than 45. |
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A. |
3x < 45 |
B. |
3 + x < 45 |
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C. |
3x > 45 |
D. |
3x  45 |
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Hint |
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2. |
Select the figure that has two lines of symmetry. |
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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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3. |
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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4. |
Solve the system of equations y = 3x + 4 and  by graphing. |
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A. |
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B. |
(-3, -5) |
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C. |
(3, 5) |
D. |
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Hint |
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5. |
Find  |
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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. |
If a rocket is fired from the ground with an initial velocity of 75 meters per second, then the height of the rocket after t seconds is h = 75t - 4.9t2. Find the height of the rocket after 3 seconds. |
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A. |
130.4 meters |
B. |
180.9 meters |
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C. |
252.5 meters |
D. |
221.6 meters |
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Hint |
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7. |
Find the equation that has direct variation. |
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A. |
y = 0.8x + 9 |
B. |
y = 5x + 1.3 |
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C. |
y = 4x |
D. |
y = –3x – 1 |
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Hint |
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8. |
Describe the location of the line of symmetry of the graph of y = x2 – 2. |
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A. |
there is no line of symmetry |
B. |
the vertical axis |
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C. |
the line y = x |
D. |
the horizontal axis |
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Hint |
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9. |
How many diagonals does a 25-sided polygon have? |
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A. |
25 |
B. |
550 |
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C. |
300 |
D. |
275 |
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Hint |
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10. |
Two friends are playing catch with a baseball. The ball's flight can be modeled by the equation
y = 1 + 0.6x – 0.08x2, in meters. What is the height of the ball at its highest point? |
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A. |
3.78 m |
B. |
18.8 m |
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C. |
2.13 m |
D. |
1 m |
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Hint |
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11. |
Find the equation of the following graph. |
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A. |
y = x3 |
B. |
y =  |
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C. |
y =  |
D. |
y = x2 |
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Hint |
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12. |
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 = 8 |
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C. |
sometimes true, n = 7 |
D. |
never true |
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Hint |
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13. |
Suppose your parents buy a new car for $21,000. What will the value of the car be in 5 years if the car depreciates by 10% each year.? |
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A. |
$12,400 |
B. |
$11,160 |
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C. |
$15,309 |
D. |
$10,044 |
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Hint |
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14. |
Find a solution to the equation using backtracking.
 |
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A. |
c = –14 |
B. |
c = 8 |
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C. |
c = 2 |
D. |
c = –1 |
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Hint |
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15. |
A ball is launched straight up from ground level modeling the equation h = 52t – 10t2, where h stands for height in meters and t stands for time. What is the approximate value of t when the ball hits the ground? |
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A. |
6.0 seconds |
B. |
2.6 seconds |
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C. |
5.2 seconds |
D. |
0 seconds |
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Hint |
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16. |
What angle of rotation does the figure below have? |
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 |
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A. |
40° |
B. |
45° |
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C. |
30° |
D. |
35° |
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Hint |
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17. |
What angle of rotation does the figure below have? |
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 |
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A. |
90° |
B. |
45° |
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C. |
180° |
D. |
120° |
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Hint |
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18. |
Find the angle of rotation for the following figure. |
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A. |
–140° |
B. |
140° |
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C. |
–320° |
D. |
–40° |
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Hint |
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19. |
Describe a figure that is reflected over two intersecting lines? |
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A. |
a reflection of the original figure across any line through the intersection point |
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B. |
a translation of the original figure across the intersecting lines |
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C. |
a rotation of the original figure about the intersection point |
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D. |
a translation of the original figure across the closest intersecting line |
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Hint |
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20. |
If you want to scale a segment by a factor of 8, how long will the new segment be? |
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A. |
 of its original size |
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B. |
80% of its original size |
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C. |
8 times its original size |
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D. |
64 times its original size |
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Hint |
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