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1. |
Simplify 3 + 2(xy+ 3z) + 4xy. |
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A. |
6xy + 3z + 3 |
B. |
5xy + 3z + 3 |
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C. |
9xy + 15z |
D. |
6xy + 6z + 3 |
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Hint |
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2. |
Based on the line plot, how many students scored above 90 or below 50? |
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A. |
5 |
B. |
9 |
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C. |
10 |
D. |
4 |
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Hint |
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3. |
Find the quotient  |
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A. |
18 |
B. |
-2 |
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C. |
2 |
D. |
 |
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Hint |
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4. |
What are the odds of choosing a red marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles? |
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A. |
4:5 |
B. |
2:5 |
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C. |
4:7 |
D. |
2:7 |
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Hint |
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5. |
Determine the value of r so that the line through (r, 4) and (-7, 7) has a slope of  . |
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A. |
9 |
B. |
3 |
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C. |
-11 |
D. |
-3 |
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Hint |
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6. |
Write the inequality for the sentence ''The opposite of four times a number is at most 64.'' |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
Evaluate  . Express the result in scientific notation. |
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A. |
0.8 × 10-8 |
B. |
80 × 10-8 |
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C. |
8.0 × 10-9 |
D. |
8.0 × 10-7 |
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Hint |
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8. |
Find (x + 3)(x - 5). |
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A. |
x2 - 2x - 15 |
B. |
x2 + 8x - 15 |
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C. |
x2 + 2x - 15 |
D. |
x2 - 15 |
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Hint |
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9. |
Simplify  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Identify the hypothesis in the following algebraic statement:
If 3x + 10 = 13, then x = 1. |
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A. |
3x + 10 |
B. |
3x + 10 = 13 |
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C. |
3x |
D. |
x = 1 |
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Hint |
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11. |
Make a table showing the cost of buying 1 to 5 CDs if CDs cost $12 each. |
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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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12. |
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many more students said they have 4 family members in their household than 5? |
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A. |
15 |
B. |
20 |
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C. |
10 |
D. |
5 |
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Hint |
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13. |
Simplify |
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A. |
2 |
B. |
-32 |
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C. |
-2 |
D. |
32 |
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Hint |
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14. |
Square ABCD is shown in the figure. Find the coordinates of the vertices of the image if the square is translated 2 units to the right and 3 units up. |
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A. |
A´(-1, 1), B´(3, 1), C´(3, -3), D´(-1, -3) |
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B. |
A´(-1, 4), B´(3, 4), C´(3, 0), D´(-1, 0) |
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C. |
A'(-2, 3), B'(6, 3), C'(6, -9), D'(-2, -9) |
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D. |
A´(0, 3), B´(4, 3), C´(4, -1), D´(0, -1) |
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Hint |
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15. |
Which equation describes the line that contains the points (-5, 2) and (3, 7)? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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16. |
Which scatter plot shows that x and y have a positive correlation? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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17. |
Solve  |
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A. |
{-4, 38} |
B. |
{-38, 4} |
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C. |
{-38, -4} |
D. |
{4, 38} |
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Hint |
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18. |
Joanne has a garden that is 9 feet long by 6 feet wide. She wants to increase the dimensions of the garden by the same amount, and have the area of the new garden be 5 times the area of the present garden. What should the new dimensions be? |
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A. |
length = 30 ft
width = 24ft |
B. |
length = 15 ft
width = 18 ft |
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C. |
length = 24 ft
width = 30 ft |
D. |
length = 18 ft
wideth = 15ft |
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Hint |
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19. |
Suppose that we have a 3 ft. × 3 ft. piece of paper, and we cut out a square piece so that the area of the remaining piece is 5 feet. What is the length of a side of the square? |
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A. |
 |
B. |
2 ft. |
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C. |
4 ft. |
D. |
 |
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Hint |
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20. |
Suppose the formula  represents the relationship between a plane's length L and the pounds P its wings can lift, where k is a constant of proportionality calculated for a plane. If its wings are 150 feet and k = 0.1669, what range of values are possible for weight? |
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A. |
less than 134,811 pounds |
B. |
greater than 134,811 pounds |
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C. |
greater than 3755 pounds |
D. |
less than 3755 pounds |
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Hint |
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