Equations & Inequalities Review A

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 not equal to the other.

Front

What does the symbol '<' represent?

Back

The symbol '<' means 'less than'.

Front

What does the symbol '>' represent?

Back

The symbol '>' means 'greater than'.

Front

How do you solve the inequality 7b - 3 < 11?

Back

Add 3 to both sides to get 7b < 14, then divide by 7 to find b < 2.

Front

What is the solution to the equation x + 8 = 13?

Back

Subtract 8 from both sides to find x = 5.

Front

What is the solution to the equation 2x - 5 = 7?

Back

Add 5 to both sides to get 2x = 12, then divide by 2 to find x = 6.

Front

What is the value of x in the equation x - 8 = 13?

Back

Add 8 to both sides to find x = 21.

Front

What is the solution to the equation x = -8?

Back

The value of x is -8.

Front

What does it mean for a number to be a solution to an equation?

Back

A number is a solution to an equation if substituting it into the equation makes the equation true.

Front

How do you check if x = 3 is a solution to the equation x + 5 = 8?

Back

Substitute 3 into the equation: 3 + 5 = 8, which is true.