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1. |
What is the slope of  in parallelogram ABCD? |
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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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2. |
Which equation is the slope-intercept form of the equation of the line that passes through (1, 2) and is parallel to 4x - 2y = 6? |
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A. |
y = -2x + 1 |
B. |
y = 2x |
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C. |
y = 4x + 3 |
D. |
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Hint |
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3. |
Three out of the four equations listed below are equations of lines that are parallel to each other. Which equation does not have a graph that is a line parallel to the other three? |
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A. |
3x + 4y = -16 |
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B. |
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C. |
8y = - 6x |
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D. |
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Hint |
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4. |
Which inequality is graphed below? |
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A. |
x < 8 |
B. |
y > 8 |
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C. |
y < 8 |
D. |
y < 8 |
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Hint |
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5. |
Use elimination to solve the system of equations.
-x + 2y = 18
x + 8y = -38 |
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A. |
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B. |
(-5, -1) |
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C. |
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D. |
(-22, -2) |
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Hint |
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6. |
Evaluate  . Express the result in scientific notation. |
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A. |
80 × 10-8 |
B. |
8.0 × 10-9 |
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C. |
0.8 × 10-8 |
D. |
8.0 × 10-7 |
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Hint |
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7. |
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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8. |
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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9. |
Find  . |
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A. |
14 |
B. |
-14 |
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C. |
15 |
D. |
-15 |
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Hint |
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10. |
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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11. |
The graph of a linear function is _______. |
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A. |
None of these is correct |
B. |
a curved line |
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C. |
a horizontal line only |
D. |
a straight line |
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Hint |
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12. |
Find the graph that is nonlinear. |
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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. |
Find the graph of y = x2. |
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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. |
Describe the location of the line of symmetry of the graph of y = x2 – 2. |
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A. |
the horizontal axis |
B. |
the vertical axis |
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C. |
the line y = x |
D. |
there is no line of symmetry |
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Hint |
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15. |
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. |
sometimes true, n = 8 |
B. |
always true |
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C. |
never true |
D. |
sometimes true, n = 7 |
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Hint |
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16. |
Which number is not equal to the other three? |
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A. |
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B. |
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C. |
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D. |
2-2 |
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Hint |
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17. |
Which equation represents exponential growth? |
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A. |
y = 250 × 0.25x |
B. |
y = 250 × 0.4c |
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C. |
y = 250 ·  x |
D. |
y = 250 × 4x |
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Hint |
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18. |
Which equation represents exponential decay? |
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A. |
y = 63 × 4.4x |
B. |
y = 63 × 4x |
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C. |
y = · 63x |
D. |
y = 63 × 0.4x |
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Hint |
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19. |
The sum of three consecutive even numbers is 54. Find the three numbers. |
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A. |
16, 18, 20 |
B. |
18, 19, 20 |
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C. |
16, 17, 18 |
D. |
15, 16, 17 |
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Hint |
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20. |
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. On its way up, it reached a particular height at 1 second. On its way down, it again reached the same height. At approximately what time did it reach that height the second time? |
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A. |
5.2 seconds |
B. |
3.5 seconds |
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C. |
2.0 seconds |
D. |
4.2 seconds |
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Hint |
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