7 - Expressions flashcard review

Front

What is an expression in mathematics?

Back

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

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor, which is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor that appears in both lists.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a factor across a sum.

Front

Simplify the expression: 2(2x + 1) + 8x - 3

Back

12x - 1

Front

What is the GCF of 18 and 24?

Back

6

Front

Simplify the expression: 2(2x + 3) + 5

Back

4x + 11

Front

What is the GCF of the expression 9x - 7?

Back

1

Front

What is the GCF of the expression 3x² - 2x?

Back

x

Front

What is a variable in an expression?

Back

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