Substitution

Solve the system of equations.

 $x=11$ 
  $-4x+y=-23$  

•  $\left(11,21\right)$  

•  $\left(3,11\right)$ 

•  $\left(11,-67\right)$  

•  $\left(21,11\right)$  

Tags

CCSS.HSA.REI.C.9

Solve the system of equations.
 $-4x-8y=40$  

 $y=-4$  

•  $\left(-23,4\right)$  

•  $\left(-4,-3\right)$  

•  $\left(-2,-4\right)$  

•  $\left(-2,4\right)$  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.

 $y=-5x$  
 $x+3y=28$  

• 
  

  $\left(-6,30\right)$

• $\left(-2,10\right)$

• $\left(10,-2\right)$

• $\left(30,-6\right)$

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.
 $x=-6y$  

 $2x+12y=0$  

•  $\left(-6,1\right)$  

•  $\left(1,-6\right)$  

• No solution

• Infinite solutions

Tags

CCSS.8.EE.C.8B

Solve the system of equations.
 $-3x+5y=17$  

 $x=2y$  

•  $\left(-34,-17\right)$  

•  $\left(8,4\right)$  

•  $\left(10,20\right)$  

•  $\left(-17,-34\right)$  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.

 $11x-y=3$  
 $y=11x-3$  

• $\left(3,33\right)$

• $\left(7,77\right)$

• No solution

• Infinite solutions

Tags

CCSS.8.EE.C.8B

Solve using substitution:

 $y=-1x-5$  
 $4x-8y=4$  

•  $\left(-3,-2\right)$  

•  $\left(5,-7\right)$  

•  $\left(3,9\right)$  

•  $\left(-5,4\right)$  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using substitution:

 $y=7x+9$  
 $4x+2y=-18$  

•  $\left(5,0\right)$  

•  $\left(9,18\right)$  

•  $\left(-2,-5\right)$  

•  $\left(1,16\right)$  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to this system of equation?
 $x=7-2y$  

 $2x+y=5$  

•  $\left(-1,4\right)$  

•  $\left(4,-1\right)$  

•  $\left(1,3\right)$  

•  $\left(3,1\right)$  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following system using substitution:
 $x=-3y-17$  

 $2x+3y=-7$  

•  $\left(-9,10\right)$  

•  $\left(3,0\right)$ 

•  $\left(-5,-2\right)$  

•  $\left(10,-9\right)$  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6