Expressions

Parts of An Expression

100

2x+7y - 9 is an...

a. Coefficient

b. Term

c. Expression

d. Variable

e. Constant

c. Expression

200

 2x+7y - 9 

x and y are...

a. Coefficient

b. Term

c. Expression

d. Variable

e. Constant

d. variable

300

2x+7y - 9

2 and 7 are

a. Coefficient

b. Term

c. Expression

d. Variable

e. Constant

a. Coefficient

400

2x+7y - 9 

9 is a...

a. Coefficient

b. Term

c. Expression

d. Variable

e. Constant

e. Constant

500

2x+7y - 9 

2x, 7y and 9 are...

a. Coefficient

b. Term

c. Expression

d. Variable

e. Constant

b. Term

Combine like terms

100

10x+2x

12x

200

3x+2x-1

5x-1

300

7y-10y+6h+h

-3y+7h

400

xy-9+2y-2y+5xy+1

6xy-8

500

3y-8m-2

3y-8m-2 

can not combine like terms

distributive property

100

4(d+1)

4d+4

200

3(7+10x)

21+30x

300

2(-8y-2)

-16y-4

400

-4(5m+2)

-20m-8

500

-3(h-2)

-3h+6

evaluate expression

100

Evaluate the expression y+7 when y=11

11+7

18

200

2m+3

Evaluate the expression when m=4

2(4)+3

8+3

11

300

2g + 5g

Evaluate the expression when g= -1

2(-1)+5(-1)

-2-5

-7

400

When x= -6 and y=2 what is the value of y+3x

2+3(-6)

2-18

-16

500

When x= .50 the value of 10x-2x

10(.5)-2(.5)

5-1

4