Equations and Expressions Review

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

Front

Simplify the expression: 2(1 + 10v)

Back

2 + 20v

Front

Evaluate: 12 ÷ 3x when x = 1

Back

4

Front

Evaluate: 6c - 1 + 5c when c = 2

Back

21

Front

Evaluate: 2d + 9 when d = 1

Back

11

Front

Simplify the expression: 3(4 + 3r)

Back

12 + 9r

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What is an equation?

Back

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

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with given numbers.

Front

What is a variable in mathematics?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.