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1. |
Solve . |
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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. |
Simplify the polynomial 4a2 + a2. |
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A. |
6a2 |
B. |
5a2 |
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C. |
4a2 |
D. |
4a2 + a |
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Hint |
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3. |
Simplify the expression 2a + 7b + 12a + 3b and then evaluate if a = 2 and b = -2. |
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A. |
14a + 8b; 12 |
B. |
14a + 10b; 8 |
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C. |
9a + 15b; -12 |
D. |
10a + 14b; -8 |
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Hint |
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4. |
Which three points are collinear? |
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A. |
(–5, –3), (–2, 3), (2, –4) |
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B. |
(4, –3), (2, –2), (–4, 1) |
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C. |
(3, 1), (4, 0), (–1, 2) |
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D. |
(–1, 1), (2, 3), (5, 2) |
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Hint |
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5. |
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. |
18.8 m |
B. |
2.13 m |
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C. |
3.78 m |
D. |
1 m |
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Hint |
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6. |
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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7. |
What type of relationship does the equation have if its first differences are constant? |
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A. |
cubic |
B. |
quadratic |
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C. |
constant |
D. |
linear |
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Hint |
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8. |
Find the values for m and n which the conjecture (m – n)2 = m2 – n2 is false. |
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A. |
m = 1, n = 0 |
B. |
m = –2, n = 0 |
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C. |
m = 1, n = 2 |
D. |
m = 1, n = 1 |
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Hint |
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9. |
Find a solution to the equation using backtracking.
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A. |
a = –2 |
B. |
a = 5 |
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C. |
a = 3 |
D. |
a = 2 |
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Hint |
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10. |
Find a solution to the equation by doing the same thing to both sides. 8p + 14 = 2p – 22 |
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A. |
p = 6 |
B. |
p = 1 |
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C. |
p = –1 |
D. |
p = –6 |
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Hint |
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11. |
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. |
3 |
B. |
4 |
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C. |
20 |
D. |
6 |
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Hint |
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12. |
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. As you find the width of the pen, which solution can be thrown away since the width cannot be negative? |
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A. |
–12.32 |
B. |
–9.05 |
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C. |
–8.32 |
D. |
–11.05 |
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Hint |
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13. |
Find the correct representation of a 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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14. |
Find the correct representation of a triangle reflected over line l, and then reflected over line m. |
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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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15. |
Rule: (x, y) (x – 6, y + 1). 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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16. |
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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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. |
Backtrack to find the input for the flowchart. |
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A. |
t = 2 |
B. |
t = 1 |
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C. |
t = 3 |
D. |
t = 4 |
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Hint |
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19. |
Solve the equation by backtracking. |
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A. |
p = 12 and p = –12 |
B. |
p = 12 |
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C. |
p = –10 |
D. |
p = –12 |
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Hint |
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20. |
Solve the equation.6x2 – 12x + 3 = 0 |
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A. |
x = –0.29 and x = 1.71 |
B. |
x = 0.29 and x = 1.71 |
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C. |
x = 0.29 and x = –1.71 |
D. |
x = –0.29 and x = –1.71 |
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Hint |
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