Practice: Solving Systems of Equations

Solve the system of linear equations by substitution.

 $y=x$  
 $y=2x-1$  

•  $\left(1,\ -1\right)$  

•  $\left(1,0\right)$  

•  $\left(1,1\right)$  

•  $\left(-1,1\right)$  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of linear equations by substitution.
 $y=-x$  
 $y=3x-4$  

•  $\left(1,-1\right)$  

•  $\left(-1,1\right)$  

•  $\left(1,0\right)$  

•  $\left(0,1\right)$  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of linear equations using substitution.
 $y=7\ -\ 7x$  
 $7x+y=1$  

• Infinitely Many Solutions

• No Solution

• (8,-1)

• (-1,8)

Solve the system of linear equations using substitution.
 $x-y=0$  
 $9x+y=0$  

• (9,9)

• (1,9) 

• (0,0)

• (0,9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of linear equations using substitution.
 $x+y=5$  
 $3x-y=7$  

• (3,2)

• (3,-2)

• (-3,-2)

• (-3,2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Buzz graphed two lines in order to find the solution to a given system of equations.
What is the solution?

• (-1, 4)
• (1, -4)
• (-4, 1)
• (4, -1)

Tags

CCSS.8.EE.C.8B