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1. |
When would you not want to estimate an answer? |
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A. |
when there are many calculations |
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B. |
when there are large numbers |
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C. |
when there are simple calculations |
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D. |
when an exact answer is needed |
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Hint |
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2. |
Evaluate 2a + b - 12 if a = 14 and b = 12. |
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A. |
28 |
B. |
40 |
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C. |
19 |
D. |
9 |
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Hint |
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3. |
What is the value of 3s(t +11) - 6r if r = 21, s = 9, and t = 11? |
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A. |
531 |
B. |
480 |
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C. |
468 |
D. |
175 |
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Hint |
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4. |
Write 2.385 as a fraction or mixed number in simplest form. |
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A. |
5 |
B. |
2 |
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C. |
2 |
D. |
4 |
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Hint |
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5. |
If five times the sum of a number and two is more than 38, write an inequality to find the number. |
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A. |
(5 + w) > 38 |
B. |
5(2) + w > 38 |
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C. |
5(2 + w) > 38 |
D. |
5w > 38 + 2 |
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Hint |
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6. |
During the first term of the school year, Mrs. Farache had 24 students in her French class. In the second term, there were 31 students. What is the percent of change in the number of students? |
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A. |
29.17% decrease |
B. |
22.58% increase |
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C. |
22.58% decrease |
D. |
29.17% increase |
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Hint |
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7. |
If the price of a car is $18,000 one month and $19,500 four months later, what is the percent of change? |
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A. |
7.7% increase |
B. |
8.3% increase |
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C. |
7.7% decrease |
D. |
8.3% decrease |
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Hint |
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8. |
A new manufacturing process requires 45 minutes to produce a piece of furniture. If the old process took 1 hour and 20 minutes, what is the percent of change in production time? |
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A. |
77.8% decrease |
B. |
77.8% increase |
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C. |
43.75% decrease |
D. |
43.75% increase |
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Hint |
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9. |
Is the relation whose graph is shown below a function? |
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 |
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A. |
Yes; It passes the vertical line test. |
B. |
Yes; Each element of the range is unique. |
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C. |
No; The ordered pairs on not on one line. |
D. |
No; It does not pass the vertical line test. |
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Hint |
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10. |
The table shows the possible lengths and widths of a rectangle that has an area of 72 square centimeters. Make a scatter plot of the data. |
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A. |
 |
B. |
 |
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C. |
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D. |
 |
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Hint |
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11. |
Find 50 · (13 · 2) mentally. |
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A. |
130 |
B. |
750 |
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C. |
1200 |
D. |
1300 |
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Hint |
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12. |
Find the sum –12 + 3 + (-6) + 14. |
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A. |
-16 |
B. |
35 |
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C. |
-1 |
D. |
17 |
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Hint |
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13. |
A concession stand sells the following items: small popcorn for $2.50, medium popcorn for $2.75, large popcorn for $3.50, small drink for $2.00, medium drink for $3.00, and large drink for $3.50. What would be the total cost for a family of four if each person ordered one medium popcorn and one large drink? |
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A. |
$24.00 |
B. |
$26.00 |
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C. |
$28.00 |
D. |
$25.00 |
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Hint |
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14. |
Solve 7 – 3x = 40. |
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A. |
x = -11 |
B. |
x = 11 |
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C. |
x = 4 |
D. |
x = -4 |
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Hint |
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15. |
Write the prime factorization of 500. |
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A. |
5 · 102 |
B. |
22 · 53 |
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C. |
24 · 52 |
D. |
23 · 52 |
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Hint |
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16. |
Which fraction is  written in simplest form? |
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A. |
Already simplified |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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17. |
Divide  by  Write the quotient in simplest form. |
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A. |
 |
B. |
 |
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C. |
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D. |
 |
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Hint |
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18. |
The direct variation equationy = .1x gives the price y for x minutes of a long distance calling plan. Use the equation to find the cost for a phone call that is 32.5 minutes long. |
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A. |
$3.28 |
B. |
$3.25 |
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C. |
$3.20 |
D. |
$3.30 |
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Hint |
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19. |
Order  and 2.75 from least to greatest. |
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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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20. |
Find the perimeter of  to the nearest tenth. |
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A. |
9.8 units |
B. |
20.9 units |
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C. |
25.7 units |
D. |
16.9 units |
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Hint |
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