One Step Equations and 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, greater than or equal to, or 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 equation 8.9 + j = 12.8?

Back

Subtract 8.9 from both sides: j = 12.8 - 8.9, so j = 3.9.

Front

What is the solution to the inequality 45p > 315?

Back

Divide both sides by 45: p > 7.

Front

What is the solution to the equation -12p = 60?

Back

Divide both sides by -12: p = -5.

Front

What does the solution of an equation represent?

Back

The solution of an equation represents the value(s) of the variable that make the equation true.

Front

What is the first step in solving the equation x + 17 = 21?

Back

Subtract 17 from both sides: x = 21 - 17.

Front

Back

Add 8 to both sides: x = 4 + 8, so x = 12.

Front

What does the number line graph of x < -4 represent?

Back

It represents all numbers less than -4.