Finding the Point of Intersection in System of Linear Equations

Solve the system of Equation (Elimination Method)
5x + y = 9
10x − 7y = −18

• (-4,-1)

• (-1,-4)

• (4,1)

• (1, 4) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.
2x + 3y = 12
5x - 2y = 10

• (2, 3)

• (3, 2)

• (1, 4)

• No solution

Tags

CCSS.8.EE.C.8B

Solve the system of equations.

2x - y = -4

x - y = 1

• (-5, -6)

• (5, 6)

• (2, 1)

• (4, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the System.

4x+9y=28

-4x-y=-28

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.

{ x + y = 6

{ x - y = 2

• (4, 2)

• (-4, 2)

• (0, 0)

• (0, -4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4x - 5y = 21

x - 3y = 7

• (4, -1)

• (-4, -1)

• (-3, 2)

• (1, -3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which variable would be easiest to eliminate?

• x

• y

• Neither

• both

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How would you solve the system of equations below?

6x + y = 28

3x + y = 16

• 1) Add the equations

  2) Solve for x

  3) Solve for y

• 1) Subtract the equations

  2) Solve for x

  3) Solve for y

• 1) Multiply the 2nd equation by -2.

  2) Subtract equations

  3) Solve for x

  4) Solve for y

• 1) Multiply the 2nd equation by -1.

  2) Add equations

  3) Solve for y

  4) Solve for x

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system

3x - 2y = 2

5x - 5y = 10

• No Solution

• x = -2

• ( 2 , 4 )

• ( -2 , -4 )

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (-3,9)

• (9,-3)

• (3,9)

• (9,3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6