System of Equation Graphing and Substitution

A system has ____________ when two lines intersect at one point. 

• One solution

• No solution

• Infinitely Many Solution

Tags

CCSS.8.EE.C.8B

A system has ____________ when two equations are exactly the same and overlap each other.

• One solution

• No solution

• Infinitely Many Solution

Tags

CCSS.8.EE.C.8A

To find a solution by graphing is to find the point where two lines intersect.

• True

• False

Tags

CCSS.8.EE.C.8B

Solve by graphing. Show all work on a graph paper.

• (2, 7)

• (7,6)

• (-6,1)

• No Solution

Tags

CCSS.8.EE.C.8B

What does it mean to substitute?

• to remember

• to replace or to plug in

• to get rid of or to take away

• to connect the dots

Tags

CCSS.6.EE.A.2C

Solve by using substitution method.

• (2, 7)

• (0, 1)

• (2/5, 9/5)

• (2, 5)

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

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

• Graphing, because both are already in y = mx + b form. Also, substitution, because one equation is already solved for y. 

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

• Elimination, because both are already in ax + by = c form. Also, graphing, because both are already in y = mx + b form. 

• None.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6