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1. |
A line of best-fit should not be drawn for which of the following graphs. |
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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. |
Select the figure that has two lines of symmetry. |
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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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3. |
Select the figure that is not a reflection. |
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A. |
H | H |
B. |
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C. |
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D. |
M | M |
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Hint |
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4. |
Simplify (3a4b5c)4. |
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A. |
3a16b20c4 |
B. |
7a16b20c4 |
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C. |
12a8b9c5 |
D. |
81a16b20c4 |
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Hint |
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5. |
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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6. |
Find the equation that is nonlinear. |
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A. |
y = –3x – 1 |
B. |
y = 4y2 |
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C. |
y = 14 + 6x |
D. |
y = 8 – x |
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Hint |
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7. |
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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8. |
Consider the equation  . What happens to the value of y when x is divided by 4? |
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A. |
y is multiplied by 4 |
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B. |
y is subtracted from 4 |
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C. |
y is divided by 4 |
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D. |
y is added to 4 |
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Hint |
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9. |
What is a conjecture? |
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A. |
an educated guess that hasn't been proved yet |
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B. |
a ''shot in the dark'' guess that has been proved |
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C. |
an educated guess that has been proved |
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D. |
a ''shot in the dark'' guess that hasn't been proved yet |
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Hint |
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10. |
What type of relationship does the equation have if its first differences are constant? |
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A. |
linear |
B. |
cubic |
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C. |
constant |
D. |
quadratic |
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Hint |
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11. |
Use the following table to find the population of bacteria in hour n. |
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A. |
30,000 × 66 |
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B. |
6 × 30,000 n |
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C. |
30,0006n |
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D. |
180,000n |
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Hint |
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12. |
Use the following table to find the amount of medicine remaining in the bloodstream after n hours. |
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A. |
425 × 0.85n |
B. |
0.85n |
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C. |
0.85 × 500n |
D. |
500 × 0.85n |
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Hint |
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13. |
Which curve represents exponential decay? |
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A. |
curve c |
B. |
curve b |
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C. |
curve d |
D. |
curve a |
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Hint |
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14. |
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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15. |
Find a solution to the equation by doing the same thing to both sides.
8p + 14 = 2p – 22 |
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A. |
p = –1 |
B. |
p = 6 |
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C. |
p = –6 |
D. |
p = 1 |
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Hint |
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16. |
John and Margaret have both ridden on the roller coaster called The Scream. Margaret has ridden it eight more than three times the number than John has. She also has ridden it five times the number John has. How many times has John ridden The Scream? |
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A. |
20 |
B. |
6 |
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C. |
4 |
D. |
3 |
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Hint |
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17. |
Use a graph to solve the system of equations.
y = x2
y = –x + 2 |
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A. |
(–2, 4), (1, 1) |
B. |
(4, 1), (1, –2) |
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C. |
(–2, 1), (1, 4) |
D. |
(1, 1), (4, –2) |
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Hint |
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18. |
Andy drew a 6.3 cm line on his paper. He then decided to make it larger by a scale of 1.5. How long is his new line? |
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A. |
4.2 |
B. |
7.8 |
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C. |
4.8 |
D. |
9.45 |
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Hint |
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19. |
If you want to scale a segment by a factor of  , how long will the new segment be? |
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A. |
of its original size |
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B. |
25 times its original size |
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C. |
5% of its original size |
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D. |
5 times its original size |
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Hint |
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20. |
Rule: (x, y)  (x + 3, y – 5). Find the correct translation. |
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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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