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1. |
Evaluate the expression 7 · f + 6 ÷ d if f = 12 and d = 3. |
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A. |
86 |
B. |
30 |
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C. |
84 |
D. |
42 |
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Hint |
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2. |
Two pairs of shoes cost $90.98. One pair costs $19 more than the other pair. What is the cost of the more expensive pair of shoes? |
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A. |
$45.49 |
B. |
$54.99 |
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C. |
$35.99 |
D. |
$71.98 |
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Hint |
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3. |
Ten test scores from Mrs. McDaniel's mathematics class are 100, 95, 93, 86, 82, 80, 78, 77, 75, and 75. She calculates the mean, median, and mode of the scores. An eleventh student takes the test with a score of 62. Mrs. McDaniel recalculates the mean, median, and mode of the test scores. Which measure changes the most when the eleventh score is included? |
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A. |
mode |
B. |
mean |
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C. |
median |
D. |
The mean, median, and mode change equally. |
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Hint |
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4. |
How many of the outcomes when tossing a coin three times include at least one tail? |
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A. |
7 |
B. |
5 |
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C. |
8 |
D. |
6 |
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Hint |
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5. |
The set of all second coordinates, or y-coordinates, of the ordered pairs in a relation is called the______. |
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A. |
related coordinates |
B. |
ordered coordinates |
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C. |
range |
D. |
domain |
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Hint |
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6. |
Which is not a method for showing a relation? |
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A. |
graph |
B. |
table |
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C. |
a set of ordered pairs |
D. |
circle graph |
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Hint |
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7. |
A relation in which each member of the domain is paired with exactly one member of the range is called a(n)_______. |
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A. |
equivalent relation |
B. |
function |
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C. |
equivalent equation |
D. |
ordered relation |
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Hint |
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8. |
You can multiply powers with the same base by _____. |
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A. |
dividing the exponents |
B. |
adding the exponents |
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C. |
multiplying the exponents |
D. |
subtracting the exponents |
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Hint |
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9. |
Factor the trinomial x2 + 13x + 36. |
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A. |
(x + 2)(x + 18) |
B. |
(x + 9)(x + 4) |
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C. |
(x + 6)(x + 6) |
D. |
(x + 3)(x + 12) |
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Hint |
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10. |
Solve |x + 3| > 5. Identify the correct graph of the solution. |
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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. |
Select the system of equations in which both equations will need to be multiplied by some number in order to be solved by the elimination method. |
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A. |
x – y = 5 and x + 2y = 13 |
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B. |
4x + 5y = 10 and 3x – 2y = 16 |
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C. |
x + y = 14 and x + y = 10 |
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D. |
–3x + 2y = 8 and –3x – y = –2 |
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Hint |
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12. |
Selena is making cassette tapes of songs she has written. On Monday she records 8 songs, on Tuesday she records 12 songs, and on Wednesday she records 4 songs. If each song is 5 minutes long and each tape is 60 minutes long, how many tapes has she used so far? |
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A. |
2 tapes |
B. |
1 tape |
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C. |
3 tapes |
D. |
4 tapes |
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Hint |
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13. |
Find the difference 25 – 7. |
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A. |
-18 |
B. |
-32 |
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C. |
18 |
D. |
32 |
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Hint |
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14. |
Horacio has baked a loaf of raisin nut bread. The loaf is 7 inches long. If he wants to cut the loaf into  inch wide slices, how many slices will he have? |
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A. |
12 |
B. |
16 |
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C. |
8 |
D. |
9 |
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Hint |
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15. |
Express 8 micrograms in scientific notation. |
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A. |
8 × 106 grams |
B. |
8 × 10-9 grams |
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C. |
8 × 109 grams |
D. |
8 × 10-6 grams |
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Hint |
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16. |
In genetics dimples are a dominant trait. If a mother and father each have a 50% chance of passing a dominant gene for dimples, what is the chance that their baby would not have dimples? |
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A. |
50% |
B. |
75% |
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C. |
25% |
D. |
0% |
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Hint |
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17. |
Find the product (12j + 3k)(12j – 3k). |
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A. |
144j2 – 9k2 |
B. |
24j + 6k |
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C. |
144j2 + 9k2 |
D. |
24j |
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Hint |
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18. |
Solve x2 – 10x + 21 = 0 by completing the square. |
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A. |
x = -4, x = -2 |
B. |
x = 7, x = 3 |
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C. |
x = 4, x= 2 |
D. |
x= -7, x= -3 |
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Hint |
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19. |
Find the y-intercept of the function y = 8x – 1. |
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A. |
3 |
B. |
-2 |
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C. |
1 |
D. |
0 |
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Hint |
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20. |
Laurie is worried about her hearing. She finds out that she should listen to music at between 30 and 90 decibels (dB) in order to prevent hearing damage and still be able to hear the music well enough. Which inequality represents this situation? |
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A. |
|d + 90|  30 |
B. |
|d + 60| 30 |
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C. |
|d – 90| 30 |
D. |
|d – 60| 30 |
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Hint |
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