Systems of Linear Equations - Solve by Elimination

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

x − y = 11
2x + y = 19

• (-1, 10)
• (30, 19)
• (19, 30)
• (10, -1)

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

     -6x+6y=6
     -6x+3y=-12

• (6,5)
• (5,6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination
-12x-4y= -8 
  -6x-2y= -4

• no solution 
• (0,0)
• infinitely many solutions 
• (4,0)

Tags

CCSS.8.EE.C.8B