4-8 Equivalent Expressions

Front

What is an equivalent expression for 3x + 5 + 7x + 2?

Back

10x + 7

Front

How can you express 4(3 x 2) using the associative property?

Back

(2 x 4) x 3

Front

Write an algebraic expression for 'Three times a number increased by nine'.

Back

3h + 9

Front

What is the result of using the distributive property on 5(2f + 4)?

Back

10f + 20

Front

What is the value of m^2 – 15 when m = 8?

Back

49

Front

Define equivalent expressions in algebra.

Back

Equivalent expressions are expressions that have the same value for all values of the variable.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

How do you combine like terms in an expression?

Back

You add or subtract the coefficients of the like terms.

Front

What is the associative property of addition?

Back

The associative property states that the way in which numbers are grouped in addition does not change their sum.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal.