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1. |
Solve the inequality 5y + 8 > 4y - 3. |
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{y | y < -11} |
B. |
{y | y > -11} |
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C. |
{y | y > 5} |
D. |
{y | y < -5} |
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Hint |
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2. |
Choose the graph of the solution to the inequality 4(x + 3) < 3x + 10. |
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3. |
What is the solution to the sentence ''A number decreased by -5 is at least 7''? |
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A. |
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B. |
{x | x < 2} |
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D. |
{x | x > 2} |
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4. |
Solve -4y < -7. |
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5. |
Write the inequality for the sentence ''The opposite of four times a number is at most 64.'' |
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6. |
The opposite of two thirds of a number x is at least 18. What are the possible values of x? |
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C. |
{x | x > -27} |
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7. |
Joe and Susan are driving to their favorite vacation spot. The distance between their house and their destination is 1980 miles. In order to make the most of their vacation, they want to travel a minimum of 660 miles per day. If they drive at an average rate of 55 miles per hour, how many hours do they need to drive each day? |
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A. |
{t | t < 12} |
B. |
{t | t > 12} |
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8. |
Find the solution to the sentence, ''2 times the sum of a number and 4 is at least 6 times the number decreased by 8''. |
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9. |
Which graph shows the solution set of the compound inequality 4(3x - 5) > 4(2x - 7) or 5x - 10 < 7x. |
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10. |
Which inequality's solution set is graphed below? |
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A. |
-3 < x < 4 |
B. |
x < -3 or x > 4 |
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C. |
-3 < x < 4 |
D. |
x < -3 or x > 4 |
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Hint |
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11. |
A mother feeds her baby jarred baby food. For dinner, she likes to give the baby a meat, a vegetable, and a fruit. The types of meats, vegetables, and fruits that she has in her pantry are listed in the table below. What is the probability that her baby's meal will include turkey and bananas? |
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12. |
Which graph is the graph of the solution set of |6x - 4| > 14? |
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13. |
Which graph is the graph of the solution set of |7x - 21| < 0? |
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14. |
Cheryl wants to live in a certain town because it is about 10 miles from her new job. If she is unable to find an apartment there, she is willing to settle for a location that is within 3 miles of this town. Which inequality expresses these statements if d is the distance from her home to her job? |
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A. |
|d - 3| > 10 |
B. |
|d - 10| < 3 |
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C. |
|d - 10| < 3 |
D. |
|d - 3| < 10 |
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Hint |
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15. |
The scores on two recent English exams are shown below. Exam A: 84, 76, 92, 100, 83, 65, 72, 88, 69, 90, 79, 80, 45, 85, 83 Exam B: 50, 62, 68, 80, 85, 90, 91, 54, 60, 90, 95, 64, 87, 72, 75 Are there any outliers in exam A, and if so, which score is an outlier? Use the box-and-whisker plots displayed below. |
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A. |
Yes, the score 112 is an outlier. |
B. |
Yes, the score 45 is an outlier. |
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C. |
Yes, the score 100 is an outlier. |
D. |
There are no outliers. |
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16. |
How do the medians of the two sets of exam scores compare? |
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A. |
The medians are equal. |
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B. |
The median of Exam A is greater than the median of Exam B. |
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C. |
The answer cannot be determined since the median is not shown in a box and whisker plot. |
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D. |
The median of Exam A is less than the median of Exam B. |
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17. |
What percent of the data is between 62 and 90 for Exam B? |
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A. |
100% |
B. |
25% |
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C. |
75% |
D. |
50% |
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18. |
What is the interquartile range of Exam A? |
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A. |
5 |
B. |
35 |
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C. |
11 |
D. |
16 |
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19. |
Which is the graph of the inequality y - x < 6? |
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20. |
Which inequality is graphed below? |
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A. |
y > 8 |
B. |
x < 8 |
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C. |
y < 8 |
D. |
y < 8 |
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Hint |
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