Systems Add Subtract

Solve the system by elimination. 
−4x − 4y = 0
4x + 4y = 0 

• (−6, −4) 

• Infinite number of solutions  

• (−6, 10) 

• (6, 4) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

-4x - 6y = 6
4x + 6y = -4

• no solutions

• infinite solutions

• (0, -2)

• two solutions

Tags

CCSS.8.EE.C.8B

Set BOTH equations equal to one another and solve for x.  Once you find x, go back and find y.
y = 5x + 1
y = 3x + 13

• (6, 31)

• (31, 6)

• (4, 21)

• (2, 11)

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

How many solutions does this system of equations have?

• One Solution

• No solution

• Infinitely Many Solutions

• Two Solutions

Tags

CCSS.8.EE.C.8A

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

• Parallel lines

• the same line

• Intersecting lines

Tags

CCSS.8.EE.C.8A

What is the solution for the system of equations in the accompanying diagram?

• No Solution

• Infinitely Many Solutions

• (3,1)

• (1, 3)

Tags

CCSS.8.EE.C.8B

What is the solution to the system of equations?

• (2, -2)

• (2, 2)

• No Solution

• (-2, -2)

Tags

CCSS.8.EE.C.8B

What is the solution to the system of equations?

• (-3, 1)

• (1, -3)

• (3, -1)

• (-1, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution?

• One Solution

• No solution

• Infinitely Many Solutions

• (0, -1.5)

Tags

CCSS.8.EE.C.8B