Solving Inequalities and Equations

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 solve the inequality 40d ≥ 800?

Back

To solve for d, divide both sides by 40: d ≥ 20.

Front

What is the first step to solve the equation -5 + x = -12?

Back

Add 5 to both sides to isolate x: x = -12 + 5.

Front

What is the solution for x in the equation -5 + x = -12?

Back

x = -7.

Front

How do you solve the inequality x + 5 ≤ 5?

Back

Subtract 5 from both sides: x ≤ 0.

Front

What is the solution for x in the inequality x + 5 ≤ 5?

Back

x < 0.

Front

What is the first step to solve the equation x - 3 = 1.5?

Back

Add 3 to both sides to isolate x: x = 1.5 + 3.

Front

What is the solution for x in the equation x - 3 = 1.5?

Back

x = 4.5.