Solving Inequalities

Front

What symbol is used for a CLOSED circle when graphing an inequality?

Back

≤, ≥

Front

What symbol is used for an OPEN circle when graphing an inequality?

Back

<, >

Front

When do you flip the inequality symbol?

Back

When multiplying or dividing by a NEGATIVE.

Front

Solve the inequality: x + 5 > 7

Back

x > 2

Front

Solve the inequality: \frac{y}{8} > 2

Back

y > 16

Front

What does it mean if an inequality has a CLOSED circle on a number line?

Back

The value is included in the solution set.

Front

What does it mean if an inequality has an OPEN circle on a number line?

Back

The value is not included in the solution set.

Front

What is the solution to the inequality: -3x < 9?

Back

x > -3

Front

How do you represent the solution set of x ≤ 4 on a number line?

Back

A CLOSED circle at 4 and shading to the left.

Front

How do you represent the solution set of x > -1 on a number line?

Back

An OPEN circle at -1 and shading to the right.