Systems Of Linear Equations

Solve by Substitution

100

Solve the systems of equations using substitution:

–3x − 6y = –9

x = 7

(7,-2) 

200

Solve the systems of equations using substitution:

-3x + 4y = -2

y = 2x+2

(-2, -2)

300

Solve the systems of equations using substitution:

y= - x+5

2x+y=11

(6, -1)

400

Solve the systems of equations using substitution:

y=-x

y=-2x-5

(-5, 5)

500

2x - 3y = 21

y = 4x + 3

(-3,-9)

Solve by Elimination

100

Solve the systems of equations using Elimination:

-3x - 24y = -66

3x + 4y = -14

(-10, 4)

200

Solve the systems of equations using Elimination:

14x + 2y = 26

-14x - 6y = -50

(1, 6)

300

Solve the systems of equations using Elimination:

2x+y=12

2x-y=8

(5,2)

400

Solve the systems of equations using Elimination:

2x + 5y = -24

3x - 5y = 14

(-2,-4)

500

Solve the systems of equations using Elimination:

–x + 6y = 14

3x − 6y = –18

(-2, 2)

Random Math

100

What is the variable that represents slope? 

m

200

What is the slope of y= 7x+9

m= 7

300

Solve for x

7x = 21

x=3

400

What is the y-intercept in y=8x+1

b=1

500

What is the variable that represents the y-intercept? 

b