6.1.2 Math Notes

A letter or symbol that represents one or more numbers.

• variable

• expression

• terms

A combination of numbers, variables, and operation symbols. An expression does not contain an equal sign.

• variable

• terms

• coefficient

Parts of the expression separated by addition and subtraction.

• variable

• terms

• coefficient

The numerical part of a term.

• terms

• constant term

• coefficient

A number that is not multiplied by a variable.

• constant term

• factor

• coefficient

Part of a multiplication expression.

• constant term

• factor

• expression

 $\chi\$  is an example of a:

• term

• variable 

• coefficient 

2x + 3(5 − 2x) + 8 is an example of an:

• expression

• equation

• numbers with letters

How many terms does the expression 2x + 3(5 – 2x) + 8 have?

• 1

• 2

• 3

In the expression  $7\chi-4$  what is the coefficient? 

• 7

• 4

• x