Elimination, Substitution and Graphing

Solve the system of equations:

y=2x

x + y = 9

• (6, 3)

• (3, 6)

• (-3, -6)

• no solution

Tags

CCSS.HSA.REI.C.7

Solve this system of equation

y = 8x + 1

y = 6x + 3

• (1, 9)

• (4, 14)

• (0, 1)

• (2, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations by graphing:

y = -2/3x + 2

y = x - 3

• (1, -2)

• (3, 0)

• (-3, 4)

• (2, -1)

Tags

CCSS.8.EE.C.8B

Solve the system of equations:

7x+2y=24

8x+2y=30

• (6,-9)

• (-9,6)

• (-6,9)

• (0,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

Tags

CCSS.8.EE.C.8B

What is the solution to this system?

• (1, -1)

• (-1, 1)

• (0, -2)

• (2, 0)

Tags

CCSS.8.EE.C.8B

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (2, 0)

Tags

CCSS.8.EE.C.8B

Determine if the system has one solution, infinitely many solutions, or no solution.

• One Solution

• Infinitely Many Solutions

• No Solution

Tags

CCSS.8.EE.C.8B

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (2, 0)

Tags

CCSS.8.EE.C.8B

Which pair of lines has a solution at (-4, 6)?

• y = x - 2

  y = -x - 2

• y = -6

  y = x - 2

• y = -x +10

  y = x + 2

• y = 6

  y = -x + 2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6