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1. |
Kurt is saving to buy a new computer. The computer he wants costs $1299. He has already saved $732. Write an inequality to determine the least amount he must still save. |
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A. |
732 + s  1299 |
B. |
1299 + s 732 |
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C. |
732 + s  1299 |
D. |
1299 + s 732 |
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Hint |
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2. |
Determine the slope of the line that passes through (2, 2) and (5, 8). |
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A. |
-2 |
B. |
2 |
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C. |
 |
D. |
 |
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Hint |
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3. |
Use substitution to solve the system of equations given below.
y = 2x
5x - y = -24 |
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A. |
(-4, -8) |
B. |
(-8, -16) |
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C. |
no solution |
D. |
infinitely many solutions |
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Hint |
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4. |
Draw the graph of y < 0.5x + 1. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
Find (4r + 7s)(4r - 7s) |
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A. |
16r2 + 49s2 |
B. |
16r2 + 56rs + 49s2 |
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C. |
16r2 - 56rs + 49s2 |
D. |
16r2 - 49s2 |
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Hint |
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6. |
Use the quadratic formula to solve 2x2 + 7x + 4 = 0. Approximate the solutions to the nearest hundredth. |
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A. |
-5.56, -1.44 |
B. |
-3.35, -0.15 |
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C. |
-2.78, -0.72 |
D. |
1.28, 3.66 |
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Hint |
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7. |
State the excluded values of x in the expression  . |
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A. |
 or - 3 |
B. |
 or 3 |
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C. |
 |
D. |
, 3, or 4 |
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Hint |
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8. |
Solve  . |
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A. |
-2 or 7 |
B. |
-2 |
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C. |
-2 or  |
D. |
5 |
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Hint |
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9. |
Add 3x2 + 2x - 1 and x2 - 3x + 5. |
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A. |
4x2 - x + 4 |
B. |
2x2 + 5x + 4 |
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C. |
2x2 - 5x - 6 |
D. |
4x2 + 5x - 4 |
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Hint |
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10. |
Find the difference:  |
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A. |
-3x2 - 7x - 5 |
B. |
3x2 - 7x - 5 |
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C. |
-3x2 - 7x + 1 |
D. |
-3x2 + x - 5 |
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Hint |
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11. |
Solve a2 - a - 20 = 0 by completing the square. |
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A. |
-5, 4 |
B. |
 |
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C. |
-4, 5 |
D. |
 |
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Hint |
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12. |
Find (x + 7)(2x +1). |
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A. |
2x2 + 14x + 7 |
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B. |
2x2 + 15x + 7 |
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C. |
2x2 + 9x + 7 |
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D. |
2x2 + 7x + 7 |
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Hint |
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13. |
Write the equation in slope-intercept form.
–6x = –10 – 2y |
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A. |
y + 8 = 3(x + 1) |
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B. |
y = 3x – 5 |
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C. |
–6x + 2y + 10 = 0 |
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D. |
y = 3x + 8 |
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Hint |
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14. |
Which way does the graph of y = –2x2 open? |
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A. |
down |
B. |
right |
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C. |
up |
D. |
left |
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Hint |
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15. |
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. |
2.13 m |
B. |
1 m |
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C. |
18.8 m |
D. |
3.78 m |
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Hint |
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16. |
How many counterexamples are needed to prove a conjecture wrong? |
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A. |
1 |
B. |
4 |
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C. |
3 |
D. |
2 |
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Hint |
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17. |
Find a solution to the equation by doing the same thing to both sides.
3 – 6m = 5 – 7m |
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A. |
m = –5 |
B. |
m = 0 |
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C. |
m = –2 |
D. |
m = 2 |
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Hint |
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18. |
What angle of rotation does the figure below have? |
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 |
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A. |
35° |
B. |
40° |
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C. |
45° |
D. |
30° |
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Hint |
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19. |
What is a reflection over a line and then a translation by a vector parallel to that line called? |
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A. |
glide reflection |
B. |
symmetric rotation |
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C. |
translation |
D. |
rotation |
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Hint |
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20. |
Solve the equation. |
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A. |
z = 5 |
B. |
z = 2 |
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C. |
z = –5 |
D. |
z = –2 |
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Hint |
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