solving inequalities

Front

What happens to the inequality symbol when you multiply or divide both sides by a negative number?

Back

You flip the inequality symbol.

Front

Solve the inequality: 9x + 3 < 21. What is the solution for x?

Back

x < 2.

Front

Solve the inequality: -7x + 15 ≥ -20. What is the solution for x?

Back

x ≤ 5.

Front

What inequality does the number line graph that starts at 3 and goes to the right represent?

Back

x ≥ 3.

Front

If x > 50, what can you say about the value of x?

Back

x is greater than 50.

Front

What is the first step in solving the inequality 2x - 4 < 10?

Back

Add 4 to both sides.

Front

When solving inequalities, what is the importance of checking your solution?

Back

To ensure that the solution satisfies the original inequality.

Front

What does the inequality x ≤ 4 represent on a number line?

Back

All numbers less than or equal to 4.

Front

How do you represent the solution to the inequality 3x + 6 > 15 on a number line?

Back

An open circle at 3 and shading to the right.

Front

What is the solution to the inequality -2x + 8 < 0?

Back

x > 4.