Systems Of Linear Equations

Solve by Substitution

100

Solve the systems of equations using substitution:

y=3x-10

x=2

(2,-4)

200

Solve the systems of equations using substitution:

y=2x-10

y=4x+8

(-9,-28)

300

Solve the systems of equations using substitution:

2x - y = 6

x = y + 5

(1, -4)

400

Solve the systems of equations using substitution:

x+y= -1

y=-2x+3

(4,-5)

500

Solve the systems of equations using substitution:

y = -2x - 9

3x -6y = 9

(-3, -3)

Solve by Elimination

100

Solve the systems of equations using Elimination:

-x - 5y = 4

x + 7y = -8

(6, -2)

200

Solve the systems of equations using Elimination:

2x - 3y = 9

-2x + y = -2

(-1, -4)

300

Solve the systems of equations using Elimination:

x+y=18

x-y=4

(11,7)

400

Solve the systems of equations using Elimination:

-3x - 24y = -66

3x + 4y = -14

(-10, 4)

500

Solve the systems of equations using Elimination:

-15x + 6y = -36

-8x + 6y = -22

(2, -1)

Systems Trivia

100

What is the slope of this equation?

y = -1/2 x +7 

-1/2

200

In the form y = mx + b

What do m and b represent?

m =  slope

b = y-intercept

300

What is the y-intercept of this equation?

y = 6x +5

(0,5)

400

for y<4x-3

Would I shade above or below the line?

Below

500

Would y > 2x+5 have a solid or dashed line?

dashed