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True or False
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100

What the Pythagorean theorem formula?

a2+b2=c2

100

2x+15=45

x=15

100

Is this the formula for volume of sphere? 4/3 x pi x r2

false 4/3 x pi x r3

100

5+5

10

100

56+44

100

200

What the formula for area of a triangle?

A=1/2LW

200

5x+15=30

x=3

200

V=LxWxH for cone

false 1/3 x pi x r2 x h

200
7-5

2

200

56-44

12

300

What the formula for perimeter?

P=a+b

300

2x+10=5x-5

x=5

300

3x+18=27 if x=3

true

300

6x6

36

300

66x44

2904

400

Which is example of two-step equation?

a. 2x+15=45

b. 6x=2x

answer is a 

b takes one step

400

3x-3=2x

x=3

400

volume of hemisphere is 4/3 x pi x r3 divide by 2

true this is another way

400

144/12

12

400

66/44

1.5

500

Which is example of three-step equation

a 5x+15=30

b 2x+10=5x-5

the answer is b

a is a two-step equation

500

6x=24

x=4

500

2x-4=2 if x =2

false 0

500

50% of 100

50

500

45% of 9000

4050