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1. |
Express 0.0000421 in scientific notation. |
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A. |
4.21 × 10-5 |
B. |
4.21 × 10-9 |
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C. |
4.21 × 10-6 |
D. |
4.21 × 10-4 |
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Hint |
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2. |
Find (4y - 5)(3y - 7). |
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A. |
12y2 + 35 |
B. |
12y2 – 13y + 35 |
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C. |
12y2 – 43y + 35 |
D. |
12y2 – 43y - 35 |
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Hint |
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3. |
Rectangle DEFG has vertices D(-4, -1), E(-2, -1), F(-2, -4), and
G(-4, -4). Which graph shows the translation image of the rectangle that is 6 units right and 3 units up? |
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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 graph of y = -4x2 - 1 is _____. |
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A. |
a circle |
B. |
a straight line |
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C. |
None of these is correct. |
D. |
a parabola |
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Hint |
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5. |
Factor x2 – 16. |
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A. |
(x – 4)(x – 4) |
B. |
(x + 4)(x – 4) |
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C. |
(x + 2)(x – 8) |
D. |
(x + 4)(x + 4) |
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Hint |
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6. |
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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7. |
Express  in simplest form. |
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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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8. |
Simplify the polynomial 7x - 2y. |
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A. |
5y |
B. |
5xy |
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C. |
7x - 2y |
D. |
5x |
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Hint |
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9. |
Find the equation of the graph below. |
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A. |
y = x2 + 3 |
B. |
y = (x + 3)2 |
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C. |
y = (x - 3)2 |
D. |
y = x2 – 3 |
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Hint |
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10. |
Consider the equation xy = 3. What happens to the value of y when x doubles? |
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A. |
y doubles |
B. |
y quarters |
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C. |
y halves |
D. |
y triples |
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Hint |
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11. |
How does b affect graphs of equations in the form of  ? |
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A. |
negative values of b move the graph to the left, positive values move it to the right |
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B. |
b affects the width of the graph |
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C. |
b affects the length of the graph |
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D. |
positive values of b move the graph to the left, negative values move it to the right |
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Hint |
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12. |
What is true of the second differences for the equation x2 – 6x + 12? |
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A. |
they increase by 1 |
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B. |
they increase by 12 |
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C. |
they decrease by 1 |
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D. |
they are constant |
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Hint |
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13. |
Evaluate.  |
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A. |
–6 |
B. |
6 |
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C. |
8 |
D. |
5 |
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Hint |
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14. |
Find a solution to the equation using backtracking.
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A. |
a = 2 |
B. |
a = 3 |
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C. |
a = –2 |
D. |
a = 5 |
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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. |
2.6 seconds |
B. |
5.2 seconds |
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C. |
0 seconds |
D. |
6.0 seconds |
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Hint |
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16. |
Toby needs to create a rectangular pen for his dog. He decides that the area of the pen will be 100 square feet with its length 2 feet longer than its width. What are the dimensions of Toby's pen approximated to the nearest hundredth? |
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A. |
length 10.32 ft width 8.32 ft |
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B. |
length 10.58 ft width 8.58 ft |
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C. |
length 10.00 ft width 10.00 ft |
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D. |
length 11.05 ft width 9.05 ft |
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Hint |
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17. |
If b is the original figure, which figure is a translation? |
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A. |
d |
B. |
e |
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C. |
a |
D. |
c |
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Hint |
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18. |
If you want to scale a segment by a factor of  , how long will the new segment be? |
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A. |
25 times its original size |
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B. |
5% of its original size |
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C. |
5 times its original size |
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D. |
of its original size |
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Hint |
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19. |
Solve the equation. |
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A. |
x = –2 |
B. |
x = 3 |
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C. |
x = –3 |
D. |
x = 2 |
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Hint |
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20. |
In the quadratic formula, what does b2 – 4ac tell you. |
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A. |
the number of solutions in a quadratic equation |
B. |
the solution(s) in a quadratic equation |
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C. |
the vertex of a quadratic equation |
D. |
the places where a quadratic equation crosses the x-axis |
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Hint |
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