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1. |
The scatter plot below shows the women's winning marathon times and the high temperatures on the marathon days. Which prediction equation best shows how marathon times and temperature are related? |
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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. |
Which is not a point at which a maximum or minimum value of a function could occur for the feasible region? |
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A. |
(-3, 0) |
B. |
(0, 3) |
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C. |
(-3, 6) |
D. |
(1, 5) |
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Hint |
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3. |
Find the minimum value of f(x, y) = 4x - 2y for the polygonal region determined by the feasible region. |
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A. |
14 |
B. |
27 |
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C. |
-14 |
D. |
-28 |
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Hint |
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4. |
Find the value of 63. |
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A. |
729 |
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B. |
216 |
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C. |
18 |
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D. |
36 |
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Hint |
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5. |
Find an equation of a circle if the endpoints of a diameter are at (-2, -3) and (1, 7). |
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A. |
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B. |
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C. |
(x + 2)2 + (y + 3)2 = 109 |
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D. |
(x - 1)2 + (y - 7)2 = 109 |
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Hint |
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6. |
Which function has a graph that opens upward? |
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A. |
f(x) = -5x2 -6x -3 |
B. |
f(x) = 2x2 - 5x - 2 |
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C. |
f(x) = -x2 + 4x + 7 |
D. |
f(x) = -x2 + 3x -12 |
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Hint |
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7. |
The statement two parallelograms are similar is_______. |
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A. |
sometimes true |
B. |
never true |
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C. |
true if and only if the parallelograms are rectangles |
D. |
always true |
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Hint |
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8. |
What are the measures of the sides of a right triangle? |
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A. |
7.5, 18, 19.5 |
B. |
4.5, 5.5, 7.5 |
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C. |
9, 11, 14 |
D. |
4, 9, 10 |
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Hint |
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9. |
Find the value of y. |
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A. |
7 |
B. |
97 |
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C. |
87 |
D. |
83 |
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Hint |
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10. |
Find the surface area of the cone to the nearest tenth. |
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A. |
452.4 in2 |
B. |
197.9 in2 |
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C. |
301.6 in2 |
D. |
351.9 in2 |
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Hint |
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11. |
Factor 54x3y2 |
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A. |
2 · 33 · x · x · x · y · y |
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B. |
23 · 3 · x · x · x · y · y |
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C. |
2 · 27 · x · x · x · y · y |
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D. |
2 · 33 · x · x · y · y · y |
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Hint |
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12. |
Given that  is the median of trapezoid ZYXW, find the value of x. |
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A. |
21 |
B. |
27 |
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C. |
4 |
D. |
15 |
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Hint |
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13. |
If P is the center of the circle, find the value of x. |
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A. |
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B. |
-25 |
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C. |
34 |
D. |
23 |
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Hint |
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14. |
Write the slope-intercept form of an equation for a line that passes through (-1, 0) and is perpendicular to the graph of 3x – 5y = 20. |
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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. |
The table shows the results of rolling a number cube over three separate experiments. What is the experimental probability of rolling a number that is greater then or equal to five? |
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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. |
Simplify 5(2k2 – 3k) – 6k(–k2 + k – 7). |
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A. |
6k3 + 4k2 – 5k |
B. |
–6k3 + 4k2 + 27k |
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C. |
–6k3 + 4k2 – 5k |
D. |
6k3 + 4k2 + 27k |
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Hint |
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17. |
Find the area of a triangle with base 2x + 3 and height 3x – 1. |
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A. |
3x2 +  x  |
B. |
6x2 + 7x – 3 |
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C. |
5x2 + 7x – 3 |
D. |
 x2 + x – 3 |
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Hint |
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18. |
Which of the following is not necessarily true concerning similar triangles? |
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A. |
The measures of their corresponding sides are proportional. |
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B. |
Each triangle has angles whose sum is 180°. |
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C. |
The measures of their corresponding angles are equal. |
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D. |
The measures of their corresponding sides are equal. |
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Hint |
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19. |
Baseball players are trying to show that they deserve more money. Their owner is paying 10 of them $1 million, 8 of them $2 million, and 3 of them $15 million. To support their case, which measure of central tendency should they use? |
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A. |
median |
B. |
mean |
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C. |
standard deviation |
D. |
mode |
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Hint |
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20. |
What are the next 3 terms in the sequence 2, 4, 8, 14, 22….? |
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A. |
34, 48, 62 |
B. |
28, 32, 38 |
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C. |
32, 44, 58 |
D. |
30, 42, 56 |
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Hint |
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