Systems of Equations Review

Solve the system of equations using the SUBSTITUTION METHOD.

• A

• B

• C

• D

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which method should you use to solve this system of equations?

y=8x+1

y=6x+3

• Elimination

• Equal Value Method

• Substitution

• Graphing

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to this system?

• (-2, -2)
• (2, -2)
• (-2,2)
• (2, 2)

Tags

CCSS.8.EE.C.8B

What is the first step needed to solve this system of equations using the ELIMINATION METHOD?

3x + 2y = 16

14x + 2y = 38

• Multiply one equation by -1

• Cancel the x's

• Cancel the y's

• Write a solution as (x,y)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The solution (answer) to a system of equations is ____________

• the point where the 2 lines intersect

• the graph of a line

• only finding what x = __

Tags

CCSS.8.EE.C.8B

Is this system of equations ready to be solved using the ELIMINATION METHOD? Explain why or why not.

9x - 4y = 7

x - 4y = -17

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using Elimination Method:

x - y = 11

2x + y = 19

• (10,-1)

• (-1,10)

• (3,-4)

• (6,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations using the EQUAL VALUE METHOD.

y = -4x + 5

y =  3x - 16

• (-3, -25)

• (3,-7)

• (11, 17)

• (21, 47)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (0, 1)

Tags

CCSS.8.EE.C.8B

Is this system of equations ready to be solved using the SUBSTITUTION METHOD? Explain why or why not?

3x + y = 12

2y + 4x = 7

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6