Solve Simple Linear Equations System by Substitution

• (-1, -6)

• (-6, 1)

• (-3, -6)

• (1, -6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (2, -3)

• (-3, -2)

• (6, 4)

• (2, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:
8x + 4y = 12
y = -2x + 3

• (0,3)

• (3,0)

• No solution(parallel lines)

• Infinitely many solutions

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.8.EE.C.8B

CCSS.HSA.REI.C.6

y = x - 9 
y = -9

• 0, -9

• -1, 2

• -18, -9

• -81, -3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

y = x + 6
y = 3

• -3,3

• -9,3

• -18,2

• 21,0

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The equations of two lines are:
 2x-y=4 and y=-2x+8.
What is the value of x in the solution for this system?

• x=8

• x=3

• x=11

• x=5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to this system?
x - y = 6
y = 2x - 5

• (1,3)

• (-1,3)

• (-1,-7)

• (1,-7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

If a system of linear equations has one solution, what does this mean about the two lines?

• Parallel lines

• The same line 

• Intersecting lines

• A triangle

Tags

CCSS.8.EE.C.8A

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (0, 1)

Tags

CCSS.8.EE.C.8B