Substitution/Elimination

Substitution

100

-x+2y=6

3x-2y=2

What is, (2,2)

200

4x+y=7

2x+5y=-1

What is, (2,-1)

300

3x+2y=-2

6x-y=6

What is, (2/3,-2)

400

2x+4y=-4

x-2y=10

What is,(4,-3)

500

4x+y+-1

8x+2y=-2

What is, infinitely many solutions.

Elimination

100

-3x+3y=3

3x+y=9

What is, (2,3)

200

-5x+12y=20

x-2y=-6

What is, (-16, -5)

300

3x+2y=1

4x+6y=7

What is, (-4/5,17/10)

400

5x+7y=-2

2x-7y=9

What is, (1,-1)

500

4x+6y=8

2x+3y=3

What is, no solution

what is the slope and y-int

100

5x+7y=-2

slope: -5/7

y-int: -2/7

200

4x+6y=8

slope: -2/3

y-int: 4/3

300

-2x+5y=-2

slope:2/5

y-int:-2/5

400

2x-5y=3

slope: 2/5

y-int:-3/5

500

3x+6y = 2

slope: -1/2

y-int: 1/3

Random Trivia

100

what is the most played video game of all time?

What is, fortnite.

200

What is the world record for the most hotdogs eaten in one sitting?

What is, 76.

300

which singers real name is Robyn Fenty?

What is, Rihanna.

400

What is the best selling video game console of all time?

what is, the PS2

500

what is the only sport to have been played on the moon?

What is, golf.