Solve a System

Solve this system of equations by graphing. 
y = 1/2x + 2
y = -3x + 9

• (2,3)

• (-2,-3)

• (3, 2)

• (-3,2)

Tags

CCSS.8.EE.C.8B

If a system of linear equations has infinitely many solutions, what does this mean about the two lines? 

• Intersecting lines

• Identical line

• Parallel lines

Tags

CCSS.8.EE.C.8A

This system has _____ solutions

• no

• 1

• 2

• Infinitely many

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

• No

• One

• Two

• Infinitely Many

Tags

CCSS.HSF-IF.C.7A

What is the solution to this system? 

• (3,1)

• No solution

• Infinite solutions

• (1,3)

Tags

CCSS.8.EE.C.8B

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 each system of equations.
2x + 2y = 10
2x - 3y =5

• (4,1)

• (1,4)

• (-4,1)

• (4,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations using elimination.

2x + 10y = -22

8x + 5y = 17

• (-4, 3)

• (4, 3)

• (-3, -4)

• (4, -3)

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