Systems by Matrices

• 2
• -1
• 5
• -4
• 0
• No solution

Solve using matrices.

4x + 8y = 20

-4x + 2y = -30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

Now, let's find the solution to the system.

2x + 3y = 12

4x - 7y = - 54

• (-3, 2)

• (-3, -2)

• (6, -3)

• (-3, 6)

Solve by matrices

2x + 9y = -7

6x - 3y = 9

• (-1, -1)

• (2,-1)

• (1,1)

• (1,-1)

Solve by matrices
-2x + 6y = 16
-4x  - 3y = 2

• (2,2)
• (-2, -2) 
• (-2,2)
• (2,1)

Solve the system by matrices (x,y)
3x + 2y = –13
3x + 4y = 1 

• (-9,7)
• (7,-9)
• (4,-7)
• (-7,-4)

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

What is the solution to the system of equations below?

x + y = 10

x - y = 2

• (3, 1)

• (4, 6)

• (5, 5)

• (6, 4)

What is the solution to the system of equations below?

x - 3y = -13

-x + 4y = 15

• (-7, 2)

• (-3, 3)

• (7, -2)

• (10, 1)

What is the solution to the system of equations below?

-x + 2y = 12

x + 6y = 20

• (-4, -6)

• (-4, 4)

• (2, 7)

• (8, 2)