7A Add and Subtract Inequalities

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or equal to the other.

Front

What does the symbol '≤' mean?

Back

The symbol '≤' means 'less than or equal to'.

Front

What does the symbol '≥' mean?

Back

The symbol '≥' means 'greater than or equal to'.

Front

How do you solve the inequality h - 2.7 ≤ 7?

Back

Add 2.7 to both sides to get h ≤ 9.7.

Front

What is the solution to the inequality y - 13 ≤ -15?

Back

Add 13 to both sides to get y ≤ -2.

Front

If Monica can spend at most $40 and the entrance costs $15, what inequality represents her spending?

Back

The inequality is d + 15 ≤ 40.

Front

How do you represent the growth of a tree that can grow to at most 19 feet tall if it is currently 4 feet tall?

Back

The inequality is x + 4 ≤ 19.

Front

What does the number line graph representing x < -4 indicate?

Back

It indicates that x can take any value less than -4.

Front

What is the first step in solving the inequality d - 15 < 40?

Back

Add 15 to both sides to isolate d.

Front

What is the solution to the inequality 4x ≤ 19?

Back

Divide both sides by 4 to get x ≤ 4.75.