Elimination

Solve the system by elimination.  

−8x − 10y = 20
−8x − 6y = −4 

• Infinite number of solutions  
• (6, 5) 
• (−6, −5) 
• (5, −6) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by elimination.  

−7x + 6y = 29
10x + y = 16 

• (1,6) 
• (−1,−3) 
•  (−3, −1) 
• (−1, 3) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by elimination.  

−6x + 6y = 0
9x − 8y = 4 

• (4, −9)
  
• Infinite number of solutions 
• (−9, 4)
  
• (4, 4) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by elimination.  

4x + 12y = −1
−3x − 9y = 0 

• (10, 1) 
• (−10, −1) 
•  (10, −1) 
•  No solution 

Tags

CCSS.8.EE.C.8B

      7x+2y=24
      8x+2y=30

• (6,-9)
• (-9,6)
• (-6,9)
• (0,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

^–2x − y = ^–3

^–2x − 3y = ^–17

• (2,-7)

• (-2,7)

• (-5,8)

• (5,8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

8x − 4y = ^–20

^–2x + 2y = 14

• (1,9)

• (2,5)

• (6,4)

• (2,9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Parallel Lines have how many solutions?

• One Solution

• Infinitely Many Solutions

• No Solutions

• As many solutions as you want

Tags

CCSS.8.EE.C.8B

Which image shows a system of linear equations with infinitely many solutions?

• 
• 
• 
• 

Tags

CCSS.8.EE.C.8A

What is the solution to this system of equations?

• (4, -1)
• (-1, 4)
• (-4, 1)
• (-4, -1)

Tags

CCSS.8.EE.C.8B