Review for Chapter 6 System of Equations

Solve by graphing. Show all work on a graph paper.

• (2, 7)
• (7,6)
• (-6,1)
• No Solution

Tags

CCSS.8.EE.C.8B

Solve by using substitution method.

• (2, 7)
• (0, 1)
• (2/5, 9/5)
• (2, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by using elimination method.

• (3, 1)
• ( 5, -5)
• (2, 5)
• (15, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

A system of equations with no solution will have lines that...

• are the same

• cross in one place

• are parallel and never touch

Tags

CCSS.8.EE.C.8A

What is the solution to this system of equations? Solve by substitution or graphing.

• (7, -8)

• (-7, 8)

• (-7, -8)

• (7, 8)

Tags

CCSS.8.EE.C.8B

Solve  the system of equations.  
   x + 5y = -27
-2x - 5y = 24

• (3, 6)
• (-3, -6)
• (-3, -4)
• (3, -6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

-4x-2y=-12
4x+8y=-24

• (5,6)
• (6,-6)
• (6,-2)
• (4,-3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

• no solution 
• (0,0)
• infinite solutions 
• (4,0)

Tags

CCSS.8.EE.C.8B

Solve by elimination 
-2x + 6y = 16
-4x  - 3y = 2

• (2,2)
• (-2, -2) 
• (-2,2)
• (2,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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