Unit 8: Solving System of Equations Review

Solve the system by elimination:

2x - y = 4

 2x + y = 4

• (2,0)

• (0,2)

• (8,4)

• (-2,4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by elimination:

3x -3y = 30

3x + y = 18

• (3 ,7)

• (-7, 3)

• (-3, 7)

• (7, -3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

 If a system of equations has no solution, what does the graph look like? 

• Skew Lines

• Parallel Lines

• Intersecting lines

• Circle Lines

Tags

CCSS.8.EE.C.8A

If  y=1 in this system, determine the solution Hint: plug the numbers into both equations

 x + y = 5  

-2x + y = -7 

• (-4, -1)

• (4 , 1)

• (4,-1)

• (-5, 7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Use Elimination method to solve this system

-4x - 2y = -12

4x + 8y = -24

• (12,6)

• (-6,6)

• (6,6)

• (6,-6)

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

• Intersecting

• Same Line

Tags

CCSS.8.EE.C.8A

Solving these Systems by Substitution

• (7,0)

• (-5,7)

• (7,-5)

• (0,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solving these Systems by Substitution

• (0,3)

• Infinite amount of solutions

• No solution

• (3,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (-1,-6)

• (3,6)

• (-3,-6)

• (-6,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve these Systems with Substitution

• (-1,-4)

• (-4,1)

• (1,4)

• (4,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6