Expression Vocab Review

​Expressions Vocabulary review

​Definitions

Expression: Contains variables, numbers, and signs​

Constant: A term that is just a number​

Coefficient: Number beside a variable​​

Variables: A letter that represents an unknown number​

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​Definitions Continued

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Operators: Math Symbols (+, -, •, ÷)

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Terms: Separated by + or - sign

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Like-Terms: Terms that have the same variable and/or exponent​

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Open Ended

How many terms are in the following expression?

4x - 2y + 3

Multiple Choice

What are the variables in the following expression?

4x - 2y + 3

• x

• y

• x and y

• 3

Multiple Choice

What is the 5 in the expressions below called?

$$5x^2\ +\ x\ +\ 7$$  

• coefficient

• contstant

• variable

• exponent

Multiple Choice

What is the 2 in the expression below called?

$$5x^2\ +\ x\ +\ 7$$  

• coefficient

• contstant

• variable

• exponent

Multiple Select

A number beside a variable is a coefficient.

• True

• False

Multiple Choice

A number by itself beside a sign is a variable.

• True

• False

Multiple Choice

A term is numbers separated by a "+" or "-" sign.

• True

• False

Multiple Choice

Like terms are terms that have different variables and/or exponents

• True

• False

Multiple Choice

An expression contains variables, signs, and numbers.

• True

• False