Inequalities and Number Lines

What inequality does the number line graph represent?

• x ≤ 4

• x ≥ -4

• x < -4

• x < 4

You must be no more than 62 inches tall to play on the playground. Which inequality represents the heights of kids allowed to play?

• height ≤ 62

• height > 62

• height < 62

• height ≥ 62

8x - 19 < 13

• x < 4

• x < -4

• x = 4

• x < -3/4

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

• <, >

• ≤, ≥ 

• ≤, <

• ≥, >

-13t > 26

• t > -2

• t > 2

• t < 2

• t < -2

Does the sign need to flip when solving?
-2x ≥ 22

• YES

• NO

3x - 2 ≥ 34

• x ≥ -12

• x ≤ -12

• x ≤ 12

• x ≥ 12

• True, there is a negative number. You always flip.

• False, you only flip the inequality symbol when the coefficient multiplying the variable is a negative number.

Which inequality is being represented by this number line?

Which inequality is being represented by this number line?