Math Quiz

1 variable

100

x+6 = 13

x = 7

200

x + 6 = 2

x = -4

300

2a - 6 = 20

a = 13

400

b² + 4 = 40

b = 6

500

x² + 3 = 28

x = 5

2 variables

100

x + y = 5

2x + 3y = 13

x = 2 

y = 3

200

5a - 3b = 19

a - b = 5

What is a

a = 2

300

2a + 5b = 45

a + b = 15, Find a!

a = 10

400

y -x = 6, if y = 3, what is x

x = -3

500

y² - 4 = x +7, if x = -2, what is y?

y = 3

Fraction

100

What is number between 1/3 and 1/2

1 5/12

200

2-1/5

1 4/5

300

1/2 - 1/8

3/8

400

3/2 x 2/3

1

500

1 : 2/7

7/2

Percentage

100

What is 10% of 7500

750

200

What is 25% of 5000

1250

300

15% x 40000

6000

400

3% x 15000

450

500

35% x 20000

7000