Choosing the best method to solve a system of equations

What is the best method to use?

−4x − 2y = −12

4x + 8y = −24

• Graphing

• Substitution because a variable is defined

• Elimination because the equations are in standard form.

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

What is the best method to use?

2x − 3y = −1

y =x − 1

• Graphing

• Substitution because a variable is defined

• Elimination because the equations are in standard form.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Should you use the Substitution or Elimination method to solve this system of equations?

• Substitution

• Elimination

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Should you use the Substitution or Elimination method to solve this system of equations?

• Substitution

• Elimination

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Should you use the Substitution or Elimination method to solve this system of equations?

• Substitution

• Elimination

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Which is the best method for solving this system of equations?

-4x-2y=-12

4x+8y=-24

• Substitution

• Elimination

• Graphing

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which two methods are appropriate for solving this system of equations?

• Substitution or Elimination

• Graphing or Substitution

• Elimination or Graphing

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

 $x=4-2y$  
 $3x-2y=4$  

• Substitution

• Elimination

• Graphing

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

• Graphing 

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

• Graphing

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6