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1. |
A picture frame is best modeled by a |
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quadrant. |
B. |
line. |
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C. |
point. |
D. |
plane. |
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2. |
Find the next picture in the pattern. |
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A. |
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B. |
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C. |
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D. |
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3. |
What is implied when it is said that x and y have a negative correlation? |
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A. |
When the value of x is negative, the value of y negative. |
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B. |
When the value of x increases, the value of y decreases. |
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C. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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D. |
When the value of x increases, the value of y increases. |
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4. |
Students at Garner Middle School are given the opportunity to determine the school's mascot, the mascot's name, and the school colors. The choices are narrowed down to those shown in the table below. What is the probability that the students will choose a lion named Gus for their mascot? |
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B. |
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5. |
Which scatter plot shows that x and y have no correlation? |
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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. |
Find the volume of the rectangular solid shown below. |
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A. |
24a4b8 |
B. |
9a4b8 |
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C. |
24a2b10 |
D. |
24a2b7 |
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7. |
Find the sum (4xy2 – 3x2y – 5xy – 6) + (-5xy2 – 2xy + 3). |
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A. |
-xy2 – 3x2y – 3xy – 3 |
B. |
4xy2 – 7xy – 3 |
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C. |
4xy2 – 8x2y – 7xy – 3 |
D. |
-xy2 – 3x2y – 7xy – 3 |
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Hint |
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8. |
Which statement is not true? |
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A. |
A triangle cannot be scalene and isosceles. |
B. |
A triangle cannot be obtuse and contain a 90° angle. |
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C. |
A triangle can be obtuse and isosceles. |
D. |
In an isosceles triangle, the base is congruent to one of the legs. |
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9. |
Simplify 12y + 8y. |
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A. |
20y2 |
B. |
20y |
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C. |
simplified |
D. |
4y |
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Hint |
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10. |
Graph 2x + 3y = 9. |
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A. |
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B. |
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D. |
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11. |
Find  if f(x) = -12x +  |
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A. |
-8 |
B. |
-9 |
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C. |
1 |
D. |
0 |
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Hint |
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12. |
Which scatter plot shows that x and y have a negative correlation? |
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A. |
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B. |
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C. |
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D. |
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13. |
Every fifth person that comes out of a library is asked whether they prefer to read a book or watch a movie. Is this biased or unbiased and why? |
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biased, because the sample is not representative of everyone in the library |
B. |
unbiased, because the location is not important |
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C. |
biased, because a library loans out primarily books |
D. |
unbiased, because they are using a systematic random sample |
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Hint |
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14. |
Find the median of the data. |
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A. |
23 |
B. |
42.5 |
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C. |
19.5 |
D. |
29.5 |
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Hint |
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15. |
Which of the following pairs of coordinates are on a line with an undefined slope? |
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A. |
(-4, -3), (3, -3) |
B. |
(3, -2), (3, 5) |
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C. |
(-2, -2), (4, 4) |
D. |
(2, 1), (5, -2) |
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Hint |
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16. |
Everyone at the stadium is eligible for a drawing at the end of the night. If everyone was given a number, and 10 winners are announced, what kind of sampling is represented? |
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A. |
Systematic Sampling |
B. |
Cluster Sampling |
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C. |
Convenience Sampling |
D. |
Random Sampling |
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Hint |
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17. |
Write the rule that describes the translation of |
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A. |
(x, y) (x + 2, y - 7) |
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B. |
(x, y)(x - 2, y + 7) |
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C. |
(x, y)(x + 7, y - 2) |
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D. |
(x, y)(x + 3, y - 5) |
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Hint |
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18. |
What is the rule where the angle of rotation is 90° clockwise, and the center is (0, 0)? |
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A. |
(x, y)(-x, -y) |
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B. |
(x, y)(-x, y) |
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C. |
(x, y)(y, -x) |
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D. |
(x, y)(-y, -x) |
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Hint |
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19. |
Work backwards to complete   |
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B. |
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C. |
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D. |
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20. |
Factor  |
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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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