Chapter 4 Review

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 'greater than or equal to'.

Front

What does the symbol '≤' mean?

Back

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

Front

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

Back

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

Front

What is the solution to the inequality 6 ÷ n ≤ -5 when n = -3?

Back

No, because 6 ÷ -3 = -2, which is not less than or equal to -5.

Front

Write an inequality for the statement: 'You must be at least 42 inches tall to ride the bumper cars.'

Back

h ≥ 42.

Front

Which graph represents the inequality r ≥ -6?

Back

Graph A.

Front

What is the solution to the inequality p ≤ -5?

Back

The solution includes all values less than or equal to -5.

Front

What does it mean if an inequality has no solution?

Back

It means there are no values that satisfy the inequality.

Front

How can you graph the inequality x < 3?

Back

Draw a number line, place an open circle at 3, and shade to the left.