Linear Inequalities on a Number Line

Match the number line

to the inequality.

What inequality does the number line graph represent?

• x ≥ 3

• x > 3

• x < -3

• x ≤ 3

What inequality is shown on the number line?

• x > 7

• x < 7

When graphing an inequality on a number line, you use an CLOSED circle for which inequality symbols?

• <, >

• ≤, ≥

• <, ≤

• >, ≥

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

• ≤ , ≥

• < , >

• ≤ , <

• ≥ , >

What does a closed circle on -3 with an arrow pointing to the right mean?

When graphing an inequality, you use an open dot when you use which symbol?

• <, >

• ≤, ≥

What is another way the write the following inequality?

• h < -2

• -2 < h

• -2 > h

• h > -2

The graph depicts which inequality:

Write the following in interval notation

x < 8

• (8, ∞)

• (8, -∞)

• (-∞, 8)

• [-∞, 8]