4.1-4.4 Review

Solve the system of equations by graphing. Clearly identify your solution. x + y = 3 3x + 2y = 14

Solve the system of equations by graphing. Clearly identify your solution. x + 2y = 6 x = 4

Solve the system of equations by substitution. Clearly identify your solution. y = 7x + 6 4x - 3y = 16

Solve the system of equations by substitution. Clearly identify your solution. x - 7y = -21 2x - 14y = -42

• Infinite solutions

• x = 5 , y = 2

• No solution

• x = 1 , y = 1

Solve the system of equations by substitution. Clearly identify your solution. 3x - 5y = 15 x - 4y = 12

Solve the system of equations by substitution. Clearly identify your solution. y = -5 8x + 5y = -17

Solve the system of equations by elimination. Clearly identify your solution. x - y = -10 x - 6y = -25

Solve the system of equations by elimination. Clearly identify your solution. 2x + 2y = 28 8x - 2y = 22

Solve the system of equations by elimination. Clearly identify your solution. 3x + 6y = 27 x + 2y = 11

Solve the system of equations by elimination. Clearly identify your solution.

(4x + 5y = 22)

(7x - 3y = -32)