Choosing the Best Method to Solve a System of Equations

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

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

• Substitution

• Elimination

• Graphing

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• Substitution

• Elimination

• Graphing 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system using the most appropriate method.

3x - y = 7

2x + y = 3

• (-1,2)

• (5,4)

• (4,5)

• (2,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the best method for

solving this system?

• Graphing

• Substitution

• Elimination

• Synthetic Division

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which is the best method for solving this system?
y = 3x - 11
4x + 8y = 6

• Elimination

• Graphing

• Substitution

• Factoring

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

For equations below, which method is easier to use? Why?

• Graphing, because both are already in y = mx + b form.

• Substitution, because one equation is already solved for y. 

• Elimination, because both are already in ax + by = c form. 

• None. 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

For equations below, which method is easier to use? Why?

• Graphing, because both are already in y = mx + b form.

• Substitution, because one equation is already solved for y. 

• Elimination, because both are already in ax + by = c form. 

• None. 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• elimination

• graphing

• substitution

Answer explanation

Graphing is a good choice because both equations are in y = ... form

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

For equations below, which method is easier to use? Why?

• Graphing, because both are already in y = mx + b form.

• Substitution, because one equation is already solved for y. 

• Elimination, because both are already in ax + by = c form. 

• None. 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6