Solving Systems by Matrix

Steffen graphed two lines in order to find the solution to a given system of equations.
What is the solution?

• (-3,-8)
• (-8,-3)
• (3,-8)
• (8,3)

Tags

CCSS.8.EE.C.8B

solve for x and y
5x + 3y = 7
y = 4

• (4,1)
• (4,-1)
• (1,4)
• (-1,4)

Tags

CCSS.HSA.REI.C.9

Solve for x and y
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

Tags

CCSS.HSA.REI.C.9

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

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4) -6x+5y=1

6x=-4y-10

• (1,1)

• (-1,-1)

  Solve the system.

• (3, 6)
• No Solution
• (-3, 6)
• (6, 3)

Tags

CCSS.8.EE.C.8B

Find the solution to the system
x − y = 3
7x − y = −3

• (4,1)
• (-1,-4)
• (-1,-1)
• vanilla

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

-9y=-25+2x

-4x-9y=-23

• (-1,3)

• (3,-1)

• (0,0)

• (-3, -1)

      8x+y=-16
    -3x+y=-5

• (-1,-8)
• (-8,-1)
• (1,8)
• (8,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

• (6,5)
• (5,6)
• (0,0)
• (-5,-6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6