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1. |
Which graph represents the solution to x + 4 > -2? |
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A. |
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B. |
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C. |
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D. |
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2. |
The graph of a linear function is _______. |
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A. |
a curved line |
B. |
a straight line |
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C. |
a horizontal line only |
D. |
None of these is correct |
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Hint |
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3. |
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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4. |
Find . |
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A. |
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B. |
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C. |
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D. |
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5. |
Find . |
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A. |
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B. |
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C. |
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D. |
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6. |
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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7. |
What is the equation of a line that has a slope of 3 and passes through (–4, –3)? |
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A. |
y = 3x – 9 |
B. |
y = 3x + 3 |
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C. |
y = 3x + 9 |
D. |
y = 3x – 3 |
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Hint |
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8. |
Describe the location of the line of symmetry of the graph of y = x2 – 2. |
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A. |
there is no line of symmetry |
B. |
the line y = x |
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C. |
the horizontal axis |
D. |
the vertical axis |
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Hint |
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9. |
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. |
1 m |
B. |
3.78 m |
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C. |
18.8 m |
D. |
2.13 m |
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Hint |
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10. |
In the relationship , why is y inversely proportional to x? |
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A. |
the product of xy is a constant, 8 |
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B. |
the relationship is undefined at x = 0 |
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C. |
8 is divided into x |
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D. |
8 is divided into y |
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Hint |
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11. |
What are the second differences in the y-values? |
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A. |
0 |
B. |
2 |
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C. |
–1 |
D. |
1 |
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12. |
What is the relationship between constant second differences and the coefficient of the equation? |
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A. |
the second difference is 2 times the coefficient |
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B. |
the second difference is –2 times the coefficient |
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C. |
the second difference is opposite the coefficient |
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D. |
the second difference is the same as the coefficient |
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Hint |
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13. |
Use a graph to solve the system of equations. y = x2 y = –x + 2 |
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A. |
(1, 1), (4, –2) |
B. |
(4, 1), (1, –2) |
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C. |
(–2, 1), (1, 4) |
D. |
(–2, 4), (1, 1) |
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Hint |
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14. |
Select the figure that is a reflection. |
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A. |
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B. |
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C. |
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D. |
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15. |
If a is the original figure, which figure is a reflection? |
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A. |
d |
B. |
e |
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C. |
b |
D. |
c |
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Hint |
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16. |
Solve the equation by backtracking. |
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A. |
p = –10 |
B. |
p = 12 |
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C. |
p = 12 and p = –12 |
D. |
p = –12 |
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Hint |
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17. |
Find the solutions of the equation.(s – 5)(s + 1) = 0 |
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A. |
s = –5 and s = 1 |
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B. |
s = –5 and s = –1 |
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C. |
s = 5 and s = –1 |
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D. |
s = 5 and s = 1 |
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Hint |
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18. |
Find the solutions of the equation.4y2 – 16 = 0 |
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A. |
y = 2 and y = –2 |
B. |
y = and y =  |
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C. |
y = –2 and y = –2 |
D. |
y = and y =  |
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Hint |
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19. |
Rewrite the expression as a product of two binomials.x2 – x – 56 |
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A. |
(x – 7)(x + 8) |
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B. |
(x + 7)(x – 8) |
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C. |
(x – 7)(x – 8) |
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D. |
(x + 7)(x + 8) |
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Hint |
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20. |
Identify the perfect square trinomial. |
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A. |
4x2 + 6x + 2 |
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B. |
25x2 + 10x + 1 |
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C. |
x2 – 7x + 12 |
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D. |
x2 – 16 |
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Hint |
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