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1. |
Which pair of lines graphed below are parallel? |
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A. |
l and m |
B. |
k and m |
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C. |
l and n |
D. |
k and n |
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Hint |
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2. |
Solve  . |
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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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3. |
The table shows the possible lengths and widths of a rectangle that has an area of 72 square centimeters. Make a scatter plot of the data. |
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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. |
What is the solution of the system of equations shown below? |
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A. |
(0, 0) |
B. |
(1, -2) |
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C. |
(3, 0) |
D. |
(0, -3) |
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Hint |
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5. |
Solve the system of equations y = 3x + 4 and  by graphing. |
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A. |
(-3, -5) |
B. |
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C. |
(3, 5) |
D. |
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Hint |
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6. |
Draw the graph of y < 0.5x + 1. |
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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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7. |
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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8. |
The greatest power in a quadratic function is ______. |
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A. |
2 |
B. |
4 |
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C. |
1 |
D. |
3 |
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Hint |
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9. |
What is the equation of the graph shown? |
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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. |
Simplify  |
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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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11. |
Simplify  . |
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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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12. |
Find the graph that does not have direct variation. |
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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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13. |
Pam's mother gives Pam $20 each week for lunch to be bought at the school cafeteria. Lunches cost $4 per day. Draw a graph showing the amount Pam has left decreasing very slowly. Suppose you graph the time in days on the horizontal axis and the amount Pam has left on the vertical axis. |
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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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14. |
How many diagonals are connected to each vertex for a 25-sided polygon? |
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A. |
21 |
B. |
25 |
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C. |
22 |
D. |
20 |
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Hint |
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15. |
Find the equation of the graph below. |
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A. |
y = (x - 3)2 |
B. |
y = (x + 3)2 |
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C. |
y = x2 – 3 |
D. |
y = x2 + 3 |
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Hint |
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16. |
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. |
18.8 m |
B. |
1 m |
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C. |
3.78 m |
D. |
2.13 m |
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Hint |
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17. |
Find which equation does not represent a reciprocal relationship. |
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A. |
ab = 3 |
B. |
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C. |
–6 = ef |
D. |
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Hint |
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18. |
What type of relationship does the equation have if its first differences are constant? |
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A. |
linear |
B. |
constant |
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C. |
cubic |
D. |
quadratic |
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Hint |
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19. |
Use a graphing calculator to graph y = 8x – 2x2. Estimate the highest point on the graph. |
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A. |
(2, 8) |
B. |
(7, 3) |
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C. |
(3, 7) |
D. |
(8, 2) |
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Hint |
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20. |
Use you calculator's Table feature to approximate the solutions to the nearest hundredth.
4x(x + 2) = 12 |
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A. |
x = 1, x = –3 |
B. |
x = 0, x = –4 |
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C. |
x = –1, x = –4 |
D. |
x = 2, x = –2 |
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Hint |
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