Solving Systems of Linear Equations Jeopardy Review

Solve by Graphing

100

y = x

y = -x

What is (0,0) ?

200

y = 3x - 4

y = -3x + 2

What is (1,-1)?

300

y = (1/3)x + 2

y = -x - 2

What is (-3,1) ?

400

y = -(3/2)x - 4

y = (1/2)x + 4

What is (-4,2) ?

500

y = (5/4)x - 2

y = (5/4)x -1

What is no solution?

Solve by Substitution

100

x + y = 2

y = 3

What is (-1,3) ?

200

2y - x = 4

10y - x = 20

What is (4,2) ?

300

y = 6x - 11

-2x - 3y = -7

What is (2,1) ?

400

-3x + 3y = 4

-x + y = 3

What is no solution?

500

-5x - 8y = 17

2x - 7y = -17

What is (-5,1) ?

Solve by Elimination

100

x + 5y = 12 

-x +y = 0

What is (2,2) ?

200

-4x - 2y = -12

4x + 8y = -24

What is (6,-6)?

300

5x + y = 9

10x - 7y = -18

What is (1,4)?

400

-4x + 9y = 9

3x - 9y= - 18

What is (9,5)?

500

x + 4y = 3

-x - 4y = -3

What is infinite number of solutions?