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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. |
Determine the slope of the line containing the points P(-7, -8) and
Q(3, 0). |
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A. |
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B. |
2 |
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C. |
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D. |
-2 |
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Hint |
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3. |
Find (3a + 4b)2 |
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A. |
9a2 + 24ab + 16b2 |
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B. |
9a2 + 16b2 |
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C. |
3a2 + 24ab + 4b2 |
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D. |
9a2 + 12ab + 16b2 |
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Hint |
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4. |
Solve the equation x2 = 0.81. |
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A. |
x = 0.9 only |
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B. |
x = -0.9 only |
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C. |
none of these is correct |
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D. |
x = 0.9 or x = -0.9 |
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Hint |
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5. |
The graph of y = -4x2 - 1 is _____. |
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A. |
None of these is correct. |
B. |
a circle |
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C. |
a parabola |
D. |
a straight line |
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Hint |
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6. |
Find the difference:  |
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A. |
3x2 - 7x - 5 |
B. |
-3x2 + x - 5 |
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C. |
-3x2 - 7x + 1 |
D. |
-3x2 - 7x - 5 |
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Hint |
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7. |
Find the value of b that makes x2 + bx + 36 a perfect square. |
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A. |
6 |
B. |
324 |
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C. |
-12, 12 |
D. |
12 |
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Hint |
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8. |
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. |
3.78 m |
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C. |
1 m |
D. |
2.13 m |
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Hint |
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9. |
Find a solution to the equation using backtracking.
 |
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A. |
a = 5 |
B. |
a = 3 |
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C. |
a = –2 |
D. |
a = 2 |
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Hint |
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10. |
If a is the original figure, which figure is a reflection? |
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A. |
d |
B. |
e |
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C. |
c |
D. |
b |
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Hint |
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11. |
If b is the original figure, which figure is a translation? |
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A. |
e |
B. |
a |
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C. |
d |
D. |
c |
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Hint |
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12. |
Use the projection method to scale this polygon by a factor of 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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Hint |
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13. |
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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14. |
Expand the expression.(3z + n) >2 |
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A. |
9n2 + 6m + m>2 |
B. |
9m2 + 6mn + n>2 |
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C. |
9m2 + n>2 |
D. |
9n>2 + 6n + m>2 |
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Hint |
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15. |
Solve the equation by backtracking. |
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A. |
a = –10 |
B. |
a = 10 |
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C. |
a = 1 |
D. |
a = -1 |
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Hint |
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16. |
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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17. |
Find the quadratic equation with 1 solution. |
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A. |
4x2 + 4x – 35= 0 |
B. |
x2 – 2x + 2= 0 |
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C. |
x2 – 10x + 21= 0 |
D. |
x2 + 6x + 9 = 0 |
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Hint |
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18. |
Triple the number, subtract 5, and square the result.Which function describes the rule? |
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A. |
y = 3(x – 5) 2 |
B. |
y = 3x2 – 5 |
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C. |
y = (3x – 5) 2 |
D. |
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Hint |
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19. |
In the three-team playoff structure below, what is the probability that Team C will win assuming every team has an equal chance of winning? |
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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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20. |
In the six-team playoff structure below, what is the probability that Team B will win assuming every team has an equal chance of winning? |
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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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