Systems by Matrix

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

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

  Solve the system.

• (3, 6)

• No Solution

• (-3, 6)

• (6, 3)

8x+y=-16
    -3x+y=-5

• (-1,-8)

• (-8,-1)

• (1,8)

• (8,-1)

           -6x+6y=6
           -6x+3y=-12

• (6,5)

• (5,6)

• (0,0)

• (-5,-6)

• a

• b

• c

• d

Solve the system of equations using a matrix technique and your GC

• ( 4, 2, -1)

• ( 4, 3, -1)

• None of these

• ( -4, 3, 1)

• 
• 
• 
• 

Solve the system of equations using a matrix technique and your GC

• ( 4, 0, -2)

• ( -4, -2, 0)

• None of these

• ( -4, 0, -2)

Solve the system by inverting the coefficient matrix and using (A^-1)(x)=b. Enter your answer as (x1, x2) format.

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• a

• b

• c

• d