Expressions Final Study Guide

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: 5(a + 6)

Back

5a + 30

Front

What is the base in an exponent?

Back

In an expression like 2^3 = 8, the base is the number that is being multiplied, which is 2.

Front

Evaluate: 6 + x when x = 53

Back

59

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

Simplify: 10w + 3d + 3w + d

Back

13w + 4d

Front

Which of the following is equivalent to 4(2x + 3)?

Back

8x + 12

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms.

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 the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does. For example, 2x + 3 is an expression, while 2x + 3 = 7 is an equation.