Exam 4: Linear Systems

Solve graphically: y = -x - 5 and x - y = 6

Solve for x and y: 2x + 1y = 5 4x + 2y =20

Solve the system of equations: x + 7y = 0 x + 4y = 8

Find the slope of the following: 20y - 4x =5

Find the slope and y-intercept: 1.5x + 3y = 2.4

Solve the system of equations: 4x + 18y = 36 2x + 9y = -18

Find the slope and y-intercept: 4x + 5y = 31

Graph: y = 8

Graph: 2x - 4y = 10

Find the slope and y-intercept: 10 - y = 8x

Find the slope of the line: 2y = 4(y + 2)

Solve for x and y: 4x + 9y = 72 6x + 15y=90

Solve the system of equations: 2.2x + 0.85y = 2.25 1.5x + 1.75y = 2.75

Find the slope of the line: 4y = 5(y + 3)

Graph: y = -4x + 16

Find the slope and y-intercept: 2x - y = 8

Solve the system of equations: 5x = 10 - 2y 5y = 3x - 30

Graph: -2y = -x + 6

Graph: 7x + 4y = 0

Find the y-intercept for the following: 3x - 5y = 60