Unit 3 - Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform any operations to make the expression as simple as possible.

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, while 3x and 4y are not.

Front

How do you combine like terms?

Back

To combine like terms, add or subtract their coefficients. For example, 3x + 5x = 8x.

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 each term inside a parentheses.

Front

Simplify: 7x + 4 - 2x + 3

Back

5x + 7

Front

Simplify: -7x + 5(1 - 8x)

Back

-47x + 5

Front

Distribute and combine like terms: -5(a - 6) + 2a

Back

-3a + 30

Front

Expand and combine: -3 - 7(-3 - 6v)

Back

42v + 18

Front

Simplify: 15 - 4x + 20 - 7x + 3

Back

11x + 38