What is the Best Method--Systems of Equations

Which is the most efficient method for solving the following system?

 $x=4-2y$  
 $3x-2y=4$  

• Substitution

• Elimination

• Equal Values 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which is the most efficient method for solving the following system?
  $3x+y=1$ 
  $4x+y=2$  

• Substitution

• Elimination

• Equal Values 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which is the most efficient method for solving the following system? 
 $x=-5y+2\ \ \ \$  
 $x=3y-2$  

• Substitution

• Elimination

• Equal Values 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which is the most efficient method for solving the following system?                                                            
  $2x+4y=10$           
 $x=2y+5\ \$  

• Substitution

• Elimination

• Equal Values 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which is the most efficient method for solving the system?

 $y=\frac{1}{2}x+4$  

 $y=-2x+9$  

• Subsitution

• Elimination

• Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which is the most efficient method for solving the system? 
 $-6x+2y=76$ 
  $3x-y=-38$  

• Subsitution

• Elimination

• Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which is the most efficient method for solving the system? 
 $5x+3y=-6$ 
  $2x-9y=18$  

• Subsitution

• Elimination

• Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which is the most efficient method for solving the system? 
 $x-3=y$ 
  $2\left(x-3\right)-y=7$  

• Subsitution

• Elimination

• Equal Values

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the first step for solving the system?
 $x=4-2y$ 
  $3x-2y=4$  

•  $3x-2\left(4-2y\right)=4$  

•  $3\left(4-2y\right)-2y=4$  

•   $3x\left(4-2y\right)-2y=4$  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system? (Show work in your note packet 4-78 A)
 $x=4-2y$ 
  $3x-2y=4$  

•  $No\ Solution$  

•  $\left(7,\ -1\right)$  

•   $\left(2,\ 1\right)$ 

•  $\left(0,\ 2\right)$  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6