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Writing & Interpreting Absolute Value Inequalities

Authored by Anthony Clark

English, Mathematics

8th Grade

CCSS covered

Writing & Interpreting Absolute Value Inequalities
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A temperature range is considered safe if it is within 5 degrees of 70°F. Write an absolute value inequality to represent this situation.

|T - 75| ≤ 5

|T - 70| < 5

|T + 70| ≤ 5

|T - 70| ≤ 5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A car's speed must not differ from 60 miles per hour by more than 10 miles per hour. Write the absolute value inequality for this scenario.

|x - 50| ≤ 10

|x + 60| ≤ 10

|x - 60| ≤ 10

|x - 70| < 10

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student scored 85 on a test and wants to ensure their score is within 3 points of the average score. Write an absolute value inequality to express this.

|x - 85| ≤ 3

|x - 80| ≤ 5

|x + 85| ≤ 3

|x - 85| < 3

Tags

CCSS.HSA.CED.A.3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The height of a plant is measured to be 12 inches, but it can vary by 2 inches. Write an absolute value inequality to represent the possible heights of the plant.

|h - 12| ≤ 2

|h + 12| ≤ 2

|h - 10| ≤ 2

|h - 14| ≤ 2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A basketball player wants to maintain a weight that is within 4 pounds of 180 pounds. Write the absolute value inequality that represents this situation.

|x - 176| ≥ 4

|x - 180| ≤ 4

|x - 200| ≤ 4

|x + 180| ≤ 4

Tags

CCSS.HSA.CED.A.3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A store advertises that a product's price is $50, but it can vary by $8. Write an absolute value inequality to express the range of possible prices.

|x - 50| < 8

|x - 50| ≥ 8

|x + 50| ≤ 8

|x - 50| ≤ 8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A runner's time for a marathon is 4 hours, but they want to finish within 15 minutes of that time. Write an absolute value inequality to represent this.

|t - 4| < 0.25

|t + 4| ≤ 0.25

|t - 4| ≥ 0.25

|t - 4| ≤ 0.25

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