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1. |
Simplify 3(2a + b) + 6(a - 2b). |
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A. |
12a + 15b |
B. |
12a + b |
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C. |
12a + 9b |
D. |
12a - 9b |
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Hint |
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2. |
A best-fit line drawn on a scatter plot ________ |
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A. |
approximates the linear relationship of data points. |
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B. |
is a line that goes through every data point. |
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C. |
must be drawn through the first and last data points. |
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D. |
always has a positive slope. |
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Hint |
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3. |
Selena has 31 days to complete her quilt for the county fair. The blue squares in the quilt can be sewn at a rate of 4 squares per day, and the white squares at a rate of 7 squares per day. The quilt can have up to 96 squares total. The blue fabric b costs about $0.80 per square and the white fabric w costs about $1.20 per square. Selena wants to keep costs at a minimum. Write an inequality that expresses the total number of squares to be sewn. |
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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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4. |
In the figure, ABCD is a square. Which of the following is a valid conjecture about points A, B, C, and D? |
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A. |
AB = BD |
B. |
AB + CD = 12 |
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C. |
AB = CD |
D. |
None of the statements are valid conjectures. |
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Hint |
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5. |
Most residential roofs are made of roof trusses. A diagram of a roof truss is shown. Notice that it is triangular in shape. Name the corresponding sides. |
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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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6. |
Find the value of x in the pair of similar polygons. |
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A. |
6 |
B. |
7 |
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C. |
7.3 |
D. |
7.5 |
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Hint |
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7. |
The polygon shown is |
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A. |
concave |
B. |
an octagon |
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C. |
a hexagon |
D. |
regular |
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Hint |
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8. |
Find the surface area of the regular pyramid. |
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A. |
174 in2 |
B. |
192 in2 |
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C. |
156 in2 |
D. |
208 in2 |
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Hint |
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9. |
Find the volume to the nearest tenth of a sphere with a circumference of 12 feet. |
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A. |
31.3 ft3 |
B. |
904.8 ft3 |
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C. |
29.2 ft3 |
D. |
452.4 ft3 |
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Hint |
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10. |
Two cards are drawn from a standard deck of 52 cards. Find the probability of drawing either two jacks or two red cards. |
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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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11. |
Find the value of x. |
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A. |
12.5 |
B. |
7.5 |
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C. |
4.5 |
D. |
5 |
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Hint |
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12. |
Find the surface area of the right cylinder. (Round to the nearest whole number.) |
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A. |
1156 sq. units |
B. |
955 sq. units |
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C. |
1508 sq. units |
D. |
540 sq. units |
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Hint |
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13. |
Identify the transformation. |
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A. |
Rotation |
B. |
Dilation |
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C. |
Reflection |
D. |
Translation |
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Hint |
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14. |
Write the equation of the line through (5, -3) and (-2, -8) in slope-intercept form. |
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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. |
Find A – B if  and  |
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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. |
Use substitution to solve the system of equations given by y = 2x and 5x + y = 7. |
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A. |
(-2, -5) |
B. |
(2, 5) |
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C. |
(1, 2) |
D. |
(-1, -2) |
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Hint |
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17. |
Why is the graph misleading? |
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A. |
Scale is not at even intervals. |
B. |
Color is misleading. |
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C. |
Bars appear to have cut in half. |
D. |
Months are out of order. |
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Hint |
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18. |
Which pair of angles are alternate exterior angles? |
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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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19. |
The base of a trapezoid is 20 cm, the median is 14 cm. What is the length of the other base? |
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A. |
28 cm |
B. |
3 cm |
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C. |
6 cm |
D. |
8 cm |
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Hint |
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20. |
A farmer raises two crops that are shipped to 3 distributors. The table shows the number of crates shipped to each distributor. The profit on crop 1 is $2.50 per crate. The profit on crop 2 is $2.75 per crate. Find the amount of profit from Distributor C. |
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A. |
$1540 |
B. |
$1529 |
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C. |
$770 |
D. |
$2112.50 |
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Hint |
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