Answers Common Core Algebra I A-ICSolving One-Variable Inequalities

Solving One-Variable Inequalities Answers

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What is the solution to x – 10 > – 12?

(–∞, –18)

(–18, ∞)

(–∞, 18)

(18, ∞)

The solution to the inequality is .

> 11.85

< 11.85

x < 105.8

x > 105.8

The company must sell at least items to make a profit.

100

105

106

The inequality that will determine the number of items that need to be sold to make a profit is .

7.5x – 100 > 79.86 + 5.8x

7.5x – 100 < 79.86 + 5.8x

7.5 – 100x > 79.86x + 5.8

7.5 – 100x < 79.86x + 5.8

What is the solution set for the inequality?

(–∞, 2]

(–∞, ]

[2, ∞)

[, ∞)

Which represents the solution set to the inequality 5.1(3 + 2.2x) > –14.25 – 6(1.7x + 4)?

x < –2.5

x > 2.5

(–2.5, ∞)

(–∞, 2.5)

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