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1. |
What is the value of |-101|? |
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A. |
-101 |
B. |
0 |
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C. |
10.1 |
D. |
101 |
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Hint |
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2. |
Solve |t - 16| = 20. |
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A. |
{-4, -36} |
B. |
{4, 36} |
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C. |
{-4, 36} |
D. |
{4, -36} |
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Hint |
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3. |
When two lines have different slopes, the graphs of the equations are _________ |
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A. |
horizontal lines. |
B. |
parallel lines. |
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C. |
intersecting lines. |
D. |
the same line. |
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Hint |
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4. |
What is true about the system  and  |
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A. |
The system is inconsistent. |
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B. |
The system is consistent and independent. |
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C. |
The system is consistent and dependent. |
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D. |
The system has infinitely many solutions. |
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Hint |
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5. |
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. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Solve the system of equations.
x - y + 6 = 0
x2 + y2 = 16 |
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A. |
(4, 0) |
B. |
no solution |
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C. |
(1, 7),  |
D. |
(-2, 4) |
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Hint |
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7. |
If y varies directly as x and y = 6 when x = 2, find y when x = 5. |
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A. |
 |
B. |
2.4 |
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C. |
6 |
D. |
15 |
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Hint |
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8. |
If y varies inversely as x and y = 3 when x = 3, find y when x = 4. |
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A. |
2.25 |
B. |
3.5 |
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C. |
1 |
D. |
4 |
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Hint |
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9. |
Solve  . |
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A. |
1 |
B. |
-3, -1 |
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C. |
0, 1 |
D. |
-3, 1 |
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Hint |
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10. |
Name the property of equality illustrated by the following statement. If n – 3 = 5 + 4, then n – 3 = 9. |
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A. |
Symmetric |
B. |
Substitution |
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C. |
Reflexive |
D. |
Transitive |
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Hint |
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11. |
Consider the formula F(c) = 1.8c + 32, where c is the temperature in degrees Celsius and F(c) is the temperature in degrees Fahrenheit. If it is 0° C at the beginning of the day, and it is 11° C at noon, what was the change in temperature in degrees Fahrenheit? |
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A. |
-12.2 |
B. |
19.8 |
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C. |
51.8 |
D. |
11 |
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Hint |
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12. |
Find A – B if  and  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
Solve x2 + 14x + 49 = 0 by using the quadratic formula. |
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A. |
3, 8 |
B. |
–3, –8 |
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C. |
6, 16 |
D. |
7, –18 |
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Hint |
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14. |
If two functions f and g are inverse relations, which of the following points must be on graph g if it is on graph f ? |
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A. |
(-1, 1) |
B. |
Cannot be determined from given information. |
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C. |
(1, 1) |
D. |
(2, -2) |
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Hint |
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15. |
Which of the following points will be included in the graph of  |
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A. |
(4, 1) |
B. |
(2, 1) |
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C. |
(11, 5) |
D. |
(8, 3) |
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Hint |
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16. |
The graph represents which of the following? |
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 |
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A. |
circle |
B. |
hyperbola |
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C. |
parabola |
D. |
ellipse |
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Hint |
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17. |
Simplify  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
What type of function is y = 2? |
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A. |
constant |
B. |
absolute value |
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C. |
direct variation |
D. |
rational |
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Hint |
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19. |
Solve 3e-2x = 5. |
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A. |
0.51 |
B. |
–0.26 |
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C. |
0.26 |
D. |
–0.51 |
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Hint |
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20. |
Two cities have insect problems. The insects in City A increase exponentially according to the equation y = 120,000e0.04t. The insects in City B increase exponentially according to the equation y = 90,000e0.08t. When will the cities have an equal amount of insects? |
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A. |
at t = 7.89 years |
B. |
at t = 3 years |
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C. |
at t = 7.19 years |
D. |
at t = 34.66 years |
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Hint |
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