Equations/Expressions/Inequalities Review

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) without an equal sign.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, indicated by the presence of an equal sign (=).

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols like <, >, ≤, or ≥.

Front

Solve the equation: 2x + 3 = 11

Back

x = 4

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the solution to the inequality: x < 3?

Back

The solution includes all numbers less than 3.

Front

How do you represent the solution x ≥ 2 on a number line?

Back

Closed circle at 2, shaded to the right.

Front

What is the result of simplifying the expression: 5x - 2x + 3?

Back

3x + 3

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign, while an equation does.

Front

What does it mean if an inequality is written as x > 5?

Back

It means x can be any number greater than 5.