Elimination
Substitution
Random Trivia
100

4x-6y=10

-4x+4y=-12

(4,1))

100

y=3

2x-y=7

(5,3)
100

What was the war between the North and South in the United States called?

The civil war 

200

3x + 2y = −12 

4x − 2y = −2  

(-2,-3)

200

-3x+7y=-9

x=-4

(-4,-3)

200

What is the name of the wizard school Harry Potter attends?

Hogwarts 

300

−2x − 8y = 10 

2x − 6y = 18

(3,-2)
300

x=-4y-11

2x+y=6

(5,4)

300

What year did the United States land the first human on the moon?

1969

400

−5x − 4y = −15 

−x + 4y = −3  

(3,0)

400

4x+3y=-14

y=2

(-5,2)
400

Who was the U.S. president during the Louisiana Purchase?

Thomas Jefferson

500

−2x + 9y = −4 

2x + 3y = −20

(-7,-2)

500

y+x=3

x=y+5

(4,-1)

500

What city was the first to be attacked with an atomic bomb?

Hiroshima