Translating Words into Expressions and Combining Like Terms

Front

A coefficient is __________.

Back

the number that comes before the variable

Front

What is the difference between an expression and equation?

Back

Expressions do not have an equal sign and equations do have an equal sign.

Front

Translate: Three less than twice a number.

Back

2x - 3

Front

Combine like terms: 3x + 2x + 11y - 7y

Back

5x + 4y

Front

Like terms have the same _____ and the same _____.

Back

variables and exponents

Front

What is an expression?

Back

A mathematical phrase that can contain numbers, variables, and operators, but does not have an equal sign.

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions, containing an equal sign.

Front

Combine like terms: 4a + 5b - 2a + 3b

Back

2a + 8b

Front

Translate: The sum of a number and five.

Back

x + 5

Front

What are like terms?

Back

Terms that have the same variable raised to the same power.