Solving Systems of Equations by Substition

Solve this system of equations. 
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:

y = -2x + 5
y = 2x - 11

• No Solution
• (0, 0)
• (3, -1)
• (4, -3)

Tags

CCSS.8.EE.C.8B

Solve:
y = 2x - 11
y = 2x + 5

• (-1.5,-4)
• (1.5,4)
• No solution (parallel lines)
• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

Solve:

y = 2x - 4
y = -5x -4

• (5, 25)

• (- 4, 0)

• (-3, -2)
• (0, - 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:

y = -3x + 11
y = -6x - 13

• (-8, 35)
• (8, -13)
• (1, 8)
• (2, 13)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:

y = 3x - 1

y = x + 3

• (3, 9)

• (2, 5)

• (-1, -4)

• No Answer

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6