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1. |
Express 0.0000421 in scientific notation. |
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A. |
4.21 × 10-6 |
B. |
4.21 × 10-4 |
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C. |
4.21 × 10-9 |
D. |
4.21 × 10-5 |
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Hint |
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2. |
Use elimination to solve the system of equations.
-x + 2y = 18
x + 8y = -38 |
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A. |
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B. |
(-22, -2) |
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C. |
(-5, -1) |
D. |
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Hint |
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3. |
Select the segment that has been bisected. |
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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. |
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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5. |
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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6. |
What is the solution of the system of equations shown below? |
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A. |
(3, 0) |
B. |
(1, -2) |
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C. |
(0, -3) |
D. |
(0, 0) |
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Hint |
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7. |
The greatest power in a quadratic function is ______. |
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A. |
4 |
B. |
2 |
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C. |
1 |
D. |
3 |
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Hint |
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8. |
Simplify  . |
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A. |
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B. |
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C. |
2x |
D. |
5x |
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Hint |
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9. |
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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10. |
Find the difference:  |
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A. |
-3x2 + x - 5 |
B. |
-3x2 - 7x - 5 |
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C. |
3x2 - 7x - 5 |
D. |
-3x2 - 7x + 1 |
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Hint |
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11. |
Which three points are collinear? |
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A. |
(–5, –3), (–2, 3), (2, –4) |
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B. |
(–1, 1), (2, 3), (5, 2) |
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C. |
(4, –3), (2, –2), (–4, 1) |
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D. |
(3, 1), (4, 0), (–1, 2) |
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Hint |
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12. |
Find the equation of the following graph. |
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A. |
y = x2 |
B. |
y =  |
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C. |
y =  |
D. |
y = x3 |
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Hint |
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13. |
What are the second differences in the y-values? |
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A. |
2 |
B. |
–1 |
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C. |
1 |
D. |
0 |
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Hint |
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14. |
What angle of rotation does the figure below have? |
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A. |
90° |
B. |
120° |
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C. |
180° |
D. |
45° |
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Hint |
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15. |
Find the angle of rotation for the following figure. |
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A. |
–90° |
B. |
150° |
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C. |
30° |
D. |
–30° |
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Hint |
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16. |
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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17. |
Find the quotient. 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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18. |
Solve the equation by backtracking. |
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A. |
p = –10 |
B. |
p = 12 and p = –12 |
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C. |
p = 12 |
D. |
p = –12 |
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Hint |
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19. |
Give the approximate solution of this equation.5 + (2c – 3) 2 = 5 |
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A. |
c = 1.5 |
B. |
c = 1.5 and c = –1.5 |
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C. |
c = –1.5 and c = –1.5 |
D. |
c = –1.5 |
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Hint |
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20. |
Give the approximate solutions of this equation.(2z – 3) 2 – 31 = 33 |
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A. |
z = 2.5 and z = 5.5 |
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B. |
z = 2.5 and z = –5.5 |
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C. |
z = –2.5 and z = –5.5 |
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D. |
z = –2.5 and z = 5.5 |
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Hint |
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