systems of equation

Solve the system of equations by elimination.
-x + y = -13
-8x - 4y = -8 

• (5, 8)
• (5, -8)
• (-5, -18)
• (-5, 8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

Tags

CCSS.8.EE.C.8A

What is the solution?

• One Solution
• No solution
• Infinitely Many Solutions
• (0, -1.5)

Tags

CCSS.8.EE.C.8B

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

Tags

CCSS.8.EE.C.8A

How many solutions?

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

Which system of equations does the graph represent?

• 
  

  $y\ =\ -x\ -\ 4$
  $y\ =\ 2x-2$
  

• $y\ =\ -\ x\ +4$
  $y\ =\ 2x\ -\ 4$

• $y\ =\ x\ -\ 4$
  $y\ =\ -2x\ -\ 2$

• $y\ =\ x\ +4$
  $y\ =\ -2x\ -\ 4$

Tags

CCSS.8.EE.C.8B

Which graph can be used to find the solution to the system of equations below?

*Hint* Solve for y and put both equations in y= mx+b form.

• 
• 
• 
• 

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 using elimination. 
 4x + 8y = 20
-4x + 2y = -30

• (-7,1)
• (2,-5)
• (-2,5)
• (7,-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