Solve Systems of Equations

Solve the system by substitution. 
y = 2x − 11 
2x − 8y = 4 

•  (6, 1)

• (6, −4)

• (6, −1)

• Infinite number of solutions  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system. -2x - 2y = 16, y = -8

• (0, -8)

• (-8, 0)

• (-16, -8)

• (-16, -8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

This system has _____ solutions

• no

• 1

• 2

• Infinitely many

Tags

CCSS.8.EE.C.8B

Which graph shows the solution to this system of equations?

y= 3x + 2

y=-2x + 4

• 
• 
• 
• 

Tags

CCSS.8.EE.C.8B

x - 2y = 4

2x - y = -1

• (-2,-3)

• (-3,-2)

• (2,3)

• (3,2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What type of solution is found by the following system of equations?

y = -5x + 2

y = -5x + 8

• One solution

• No Solution

• Many solutions

• None of the above

Tags

CCSS.8.EE.C.8B

What type of solution is found by the following system of equations?

y = 2/3x + 8

y = 2/3x + 8

• One solution

• No Solution

• Many solutions

• None of the above

Tags

CCSS.8.EE.C.8B

Solve by graphing.
y = 2x + 1
y = 4x - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

Tags

CCSS.8.EE.C.8B

Solve the system:
x + y = 19
y = 3x - 1

• (14, 5)

• (11, 8)

• (5, 14)

• (8, 11)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6