Chapter 7, Day 16 Warm Up

Front

Simplify the expression: 12n + 15 - 3n + 10 - n - 18

Back

8n + 7

Front

Back

28

Front

Which expression is equivalent to 8(2x + 5)?

Back

16x + 40

Front

Back

20

Front

Factor the expression completely: 45n - 18

Back

9(5n - 2)

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Front

Define a variable in algebra.

Back

A symbol used to represent an unknown value.

Front

What is the purpose of simplifying expressions?

Back

To make calculations easier and clearer.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression for given variable values.

Front

What is a coefficient in an algebraic expression?

Back

A numerical factor in a term of an expression.