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1. |
Which pair of lines graphed below are parallel? |
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A. |
l and n |
B. |
k and n |
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C. |
l and m |
D. |
k and m |
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Hint |
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2. |
Find (5t2 - 2w)2 |
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A. |
25t4 – 10t2w + 4w2 |
B. |
25t4 + 4w2 |
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C. |
25t4 – 4w2 |
D. |
25t4 – 20t2w + 4w2 |
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Hint |
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3. |
Find  . |
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A. |
 |
B. |
2 |
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C. |
 |
D. |
 |
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Hint |
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4. |
Solve  . |
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A. |
-2 or  |
B. |
5 |
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C. |
-2 or 7 |
D. |
-2 |
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Hint |
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5. |
Mulitply (b + 8)(b + 3). |
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A. |
b2 + 10b + 24 |
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B. |
b2 + 11b + 24 |
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C. |
b2 + 11b + 11 |
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D. |
b2 + 11b + 5 |
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Hint |
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6. |
Determine the product (2x + 1)(x - 4). |
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A. |
2x2 - 7x - 4 |
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B. |
2x2 - 2x - 4 |
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C. |
2x2 + 8x - 4 |
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D. |
2x2 + 6x - 4 |
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Hint |
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7. |
What is the reciprocal of  ? |
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A. |
 |
B. |
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C. |
 |
D. |
 |
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Hint |
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8. |
Consider the following conjecture. If an even number is written 2k, where k is a whole number, then 2k + 1 must be an odd number. What can be your next course of action in dealing with this conjecture? |
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A. |
find a counterexample to disprove the conjecture |
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B. |
develop an argument to prove the conjecture |
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C. |
all answers are correct |
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D. |
test every possible case to prove the conjecture |
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Hint |
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9. |
Evaluate.  |
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A. |
6 |
B. |
5 |
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C. |
8 |
D. |
–6 |
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Hint |
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10. |
Evaluate. |
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A. |
2 |
B. |
3 |
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C. |
–3 |
D. |
–2 |
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Hint |
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11. |
How could you use the graph of h = 20t – 6t2 to estimate the solution(s) of 20t – 6t2 = 7, where h stands for height and t stands for time? |
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A. |
Draw a horizontal line at h = 20 and find where it intersects the curve. |
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B. |
Draw a vertical line at t = 7 and find where it intersects the curve. |
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C. |
Draw a horizontal line at h = 7 and find where it intersects the curve. |
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D. |
Draw a vertical line at t = 20 and find where it intersects the curve. |
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Hint |
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12. |
Use you calculator's Table feature to approximate the solutions to the nearest hundredth.
4x(x + 2) = 12 |
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A. |
x = 2, x = –2 |
B. |
x = –1, x = –4 |
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C. |
x = 1, x = –3 |
D. |
x = 0, x = –4 |
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Hint |
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13. |
Describe a figure that is reflected over two intersecting lines? |
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A. |
a rotation of the original figure about the intersection point |
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B. |
a reflection of the original figure across any line through the intersection point |
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C. |
a translation of the original figure across the intersecting lines |
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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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14. |
Rule: (x, y)  (x – 6, y + 1). Find the correct translation. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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15. |
Expand the expression.(2s + 6)(2s – 6) |
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A. |
4s2 – 24s– 36 |
B. |
4s2 + 36 |
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C. |
4s2 + 24s– 36 |
D. |
4s2 – 36 |
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Hint |
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16. |
Solve the equation. |
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A. |
z = 2 |
B. |
z = 5 |
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C. |
z = –2 |
D. |
z = –5 |
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Hint |
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17. |
Solve the equation by backtracking.6(x + 5) 2 – 10 = 14 |
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A. |
x = –3 and x = –7 |
B. |
x = –3 |
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C. |
x = 3 |
D. |
x = –7 |
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Hint |
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18. |
Factor the quadratic expression.x2 + 2x – 24 |
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A. |
(x + 6)(x + 4) |
B. |
(x – 6)(x + 4) |
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C. |
(x – 6)(x – 4) |
D. |
(x + 6)(x – 4) |
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Hint |
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19. |
Rewrite the expression as a square with a constant added or subtracted.x2 – 6x – 15 |
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A. |
(x – 3) 2 – 15 |
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B. |
(x – 3) 2 – 24 |
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C. |
(x – 3) 2 + 9 |
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D. |
(x – 3) 2 – 9 |
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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 places where a quadratic equation crosses the x-axis |
B. |
the solution(s) in a quadratic equation |
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C. |
the vertex of a quadratic equation |
D. |
the number of solutions in a quadratic equation |
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Hint |
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