Math 8 1/31

Order of Operations

100

3+4*8

35

200

2+(9-4)-7

0

300

2(9-4)-7

3

400

5²-12+8

21

500

1+1*1+1*1+1*1+1

5

Evaluating Expressions

100

2x+6 ; when x=2

10

200

3x+8y ; when x=3 and y=6

57

300

3(x-4) +2y ; when x=5 and y=12

27

400

xyz ; when x=6 , y=-2 , and z = 3

-36

500

abcdefg ; when a=1 , b=2 , c=3 , d=4 , e=5 , f=6 , g=7

5,040

Solving Equations

100

x+2=6

x=4

200

5x=45

x=9

300

5x+2=37

x=7

400

4(x+3)+2=50

x=9

500

2(2x-5)=8x+6

x=-4

Solutions To Linear Equations

100

How many solutions?

5=5

Infinitely Many Solutions

200

How Many solutions?

-7=7

None

300

What are the three options for solutions to linear equations?

One, None, Infinite

400

How many solutions?

5(x-4)=5x-20

Infinitely Many Solutions

500

How many solutions?

x+2x+3x=6x

x=0 

One Solution

Random

100

When is Mr. G's Birthday?

October 20

200

Who is your Favorite Teacher?

Mr. Grudzien

300

What color car does Mr G have?

Silver

400

How Many Seconds are in a week?

604,800

500

What is the average age of all the 8th grade teachers?

35