Math Enrichment-Exam Review #1

Front

What is the solution to the inequality a ≤ 25?

Back

The solution indicates that the variable a can take any value less than or equal to 25.

Front

What does the inequality x + 8 < 3 imply about x?

Back

x < -5.

Front

What is the solution to the equation 12x - 15 = 3(2x + 3)?

Back

x = 4.

Front

What does the inequality 3y - 5 < -8 represent?

Back

y < -1.

Front

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

Back

You flip the inequality symbol.

Front

What is the solution to the inequality 2y - 1 > 5?

Back

y > 3.

Front

How do you solve the compound inequality x < -5 or x > 5?

Back

You find the values of x that satisfy either condition.

Front

What is the first step in solving the equation 12x - 15 = 3(2x + 3)?

Back

Distribute the 3 on the right side.

Front

What does the solution y < -1 or y > 3 indicate?

Back

y can be any value less than -1 or greater than 3.

Front

What is the significance of the solution a ≤ 1 in an inequality?

Back

It means a can take any value up to and including 1.