6.10B Substitution in Inequalities

Front

What does the inequality symbol '>' mean?

Back

It means 'greater than'.

Front

What does the inequality symbol '<' mean?

Back

It means 'less than'.

Front

What does the inequality symbol '≥' mean?

Back

It means 'greater than or equal to'.

Front

What does the inequality symbol '≤' mean?

Back

It means 'less than or equal to'.

Front

How do you determine if a number is a solution to an inequality?

Back

Substitute the number into the inequality and check if the statement is true.

Front

Is 6 a solution to the inequality 2 - x > -4?

Back

No, 6 is NOT a solution.

Front

Is 4 a solution to the inequality a < 4?

Back

No, 4 is NOT a solution.

Front

What is the solution set for the inequality 9 + x > 21?

Back

x > 12, so possible values are 13, 21, and 25.

Front

If x = 5, is it a solution to the inequality x + 3 < 10?

Back

Yes, 5 is a solution.

Front

What is the first step to solve the inequality 3x < 12?

Back

Divide both sides by 3.