Algebraic Expressions

Expressions...

• don't have equal signs

• have equal signs

algebraic expressions...

• contain at least one variable and one operation

• are equal to x

a variable...

• is the answer to a problem

• represents and unknown amount

In the expressions -3x. -3 is the...

• variable

• multiplicative identity

• coefficient

Terms in an expression are separated by...

• addition and subtraction

• multiplication and division

Which of the following is an example of like terms?

• x & y

• -3x & -3y

True or False: Constants are like terms.

• True

• False

Give an example of a variable

Give an example of like terms

Simplify the expression:

10x - 8x + 2 + 10

• 14x

• 2x + 12

• 18x + 12