Inequalities in One Variable

Match this number line

to its correct solution.

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• x ≤ 3 and x > -2

• x < -2 or x ≥ 3

• x > -2 or x < 3

• x < 3 and x ≥ -2

When you graph an inequality, you used a closed dot when you use which symbols?

• ≤, ≥ 

• <, >

If you were to graph the inequality  would the circle be open or closed? 
x ≥ 15

• open

• closed

If you were to graph the inequality  would the arrow point to the left or right?
x ≤ 9

• left

• right

What are two numbers that could be x in  x < 8?

• 8.6, 7.9

• 11, 16

• 0.8, 5.9

• 12, 7.1

Match this number line

to its correct solution.

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• x > -3 or x > 1

• x < -3 or x < 1

• x ≥ 3 and x ≤ 1

• x > -3 and x < 1

Graph the solution set of the inequality.

–4n + 1 > –23

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Graph the solution set of the inequality.

2n + 4 < 16

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