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1. |
Simplify the expression 12n + (-5n) + 3n. |
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A. |
-20n |
B. |
10n |
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C. |
7n |
D. |
-4n |
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Hint |
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2. |
What is the 8th term in the sequence 2 3 5 6 7 ...? |
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A. |
12 |
B. |
9 |
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C. |
11 |
D. |
10 |
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Hint |
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3. |
Determine the domain of the relation graphed below. |
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A. |
{-3, -1, 1, 3, 4} |
B. |
{-1, 0, 4, 5} |
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C. |
{-3, -1, 0, 1, 3, 4} |
D. |
{-3, 0, 1, 3} |
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Hint |
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4. |
Find the slope of the line graphed below. |
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A. |
-4 |
B. |
 |
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C. |
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D. |
4 |
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Hint |
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5. |
State the solution of the system of equations 2x + y = -4 and
6x + 3y = 3. |
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A. |
no solution |
B. |
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C. |
(-4, 1) |
D. |
infinite solutions |
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Hint |
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6. |
What is the area of the triangle below? |
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A. |
32 yd2 |
B. |
256 yd2 |
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C. |
128 yd2 |
D. |
64 yd2 |
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Hint |
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7. |
Venus and Fumiko are coworkers at a retail store. Venus earns $2.25 more per hour than Fumiko. Together they earn $14.55 per hour. How much money per hour does Venus earn? |
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A. |
$12.30 per hour |
B. |
$8.40 per hour |
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C. |
$6.15 per hour |
D. |
$7.28 per hour |
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Hint |
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8. |
Express 3.456 × 10-4 in standard form. |
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A. |
0.0003456 |
B. |
0.3456 |
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C. |
34,560 |
D. |
0.003456 |
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Hint |
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9. |
Determine whether the relation is a function. Explain. |
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A. |
No, because there is an element in the domain that is paired with two elements in the range. |
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B. |
No, because there are two elements in the domain that are paired with the same element in the range. |
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C. |
Yes, because every relation is a function. |
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D. |
Yes, because each element in the domain is paired with exactly one element in the range. |
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Hint |
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10. |
Find the slope of a hill that rises 60 meters for every horizontal change of 95 meters. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
A scatter plot contains the points (2, 8) and (19, 59). Write an equation in slope-intercept form for the best-fit line of the scatter plot. |
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A. |
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B. |
y = 3x + 2 |
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C. |
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D. |
y = -3x + 15 |
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Hint |
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12. |
Write an equation in slope-intercept form for the best-fit line of a scatter plot with points (21, 57) and (30, 12). |
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A. |
 |
B. |
y = -5x + 162 |
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C. |
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D. |
y = 5x – 48 |
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Hint |
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13. |
A best-fit line has the equation  which models the number of hours y of a trip that is x miles long. Predict the time of a 200-mile trip. |
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A. |
about 3.8 hours |
B. |
about 2.3 hours |
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C. |
about 4.6 hours |
D. |
about 3.1 hours |
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Hint |
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14. |
Name all sets of numbers to which  is a member. |
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A. |
rational, integer, whole |
B. |
irrational |
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C. |
rational, integer |
D. |
rational, integer, whole, natural |
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Hint |
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15. |
Find the coordinates of the midpoint of  |
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A. |
(-3.5, -1.5) |
B. |
(-2, -2.5) |
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C. |
(-1.5, -2.5) |
D. |
(-0.5, -3) |
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Hint |
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16. |
A tree casts a 20-foot long shadow at the same time that a 3-foot tall mailbox post casts a 1.2-foot long shadow. How tall is the tree? |
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A. |
18 feet |
B. |
50 feet |
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C. |
8 feet |
D. |
72 feet |
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Hint |
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17. |
If Dah-Chou invests $2500.00 at an annual interest rate of 7.25%, how long will it take for him to earn $1450 in interest? |
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A. |
10 years |
B. |
8 years |
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C. |
4 years |
D. |
6 years |
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Hint |
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18. |
34 is what percent of 40? |
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A. |
83% |
B. |
80% |
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C. |
85% |
D. |
87% |
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Hint |
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19. |
Find each missing angle measure. |
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A. |
m = 50°, m = 80° |
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B. |
m = 30°, m = 60° |
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C. |
m = 60°, m = 90° |
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D. |
m = 45°, m = 75° |
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Hint |
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20. |
Find the area of the triangle. |
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A. |
12.96 cm2 |
B. |
9.55 cm2 |
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C. |
8.82 cm2 |
D. |
17.64 cm2 |
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Hint |
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