Expression Terms
Evaluating Expressions
Combining Like Terms
100

what is a letter that stands for a number?

Variable


100

x+y 

for x= 2 and y= 3

= 2 + 3 

=    5

100

What are the like terms in the following expression?


4x + 6 + 2x

4x and 2x

200

what is a number with NO variable?

Constant 


200

x+y-5

for x= 10 and y= 7

= 10 + 7 - 5

=    17 - 5

=       12

200

What are the like terms in the following expression?


3b- 5(4b) 

3b and 4b

300

What is a number, a variable, or the product of a number and variable?

Term


300

x(y) 

for x= 2  and y= 5

= 2 (5)

= 2 x 5

=   10

300

What are the like terms in the following expression?


6y- 4 + y

6y and y 

400

What is a like term?

Terms that have identical variable parts. 

400
x(y) - 8


for x= 4  and y= 3

= 4 (3) - 8

= 4 x 3 - 8 

=   12 - 8

=       4

400

What are the like terms in the following equation?


2 + 4x - 1 + 6

2, 1, and 6

500
What is the product of a number and a variable?

Coefficient


500
(x/y) + 8


for x= 12 and y= 6

= (12/6) + 8

=     2 + 8

=       10 

500

What are the like terms in the following expression?


9y- x + 2y

9y and 2y

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