Systems of Equations

Solve for x and y
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y

 $7x+4y=12$  
 $x+2y=-4$  

• (-4,4)

• (4,4)

• (4,-4)

• (-4,-4)

Solve for x and y

 $x+2y=-4$  
 $x-2y=8$  

• (2,5)

• (2,-3)

• (2,-2)

• (-3,2)

Solve:
y = -1x - 5
4x - 8y = 4

• (-3, -2)
• (5, -7)
• (3, 9)
• (-5, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The graph of 2 lines are shown. Which system is best represented by this graph?

• 
  

  $3x-y=2$
  $4x+9y=36$
  

• $4x+9y=4$

  $3x-y=6$

• 
  

  $x-3y=-18$
  $9x+4y=9$
  

• 
  

  $x+y=10$
  $9x+4y=13$
  

Which graph represents a system of equations that has no solution?

• 
• 
• 
• 

Tags

CCSS.8.EE.C.8A

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

 $2x+y=-4$  

 $-3y=2x+12$  

• 
• 
• 
• 

What is the x-value of the soltion to this system of equations?

 $x=2y-4$  

 $7x+5y=-66$  

• -2

• $-\frac{19}{7}$

• -8

• $-\frac{62}{19}$

• (6, 7)

• (2, 33)

• (7, 6)

• (33, 2)

Solve the system of equations.
y = 4x+1
3x + 2y = 13

• (1, 5)
• (5, 1)
• (0.25, 2)
• ∅

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6