Lesson 12/13 Quiz Practice

Looking at a graph... how do you know the systems of equations will have infinite solutions?

• The lines are parallel

• The lines intersect

• The lines are in the same place

Tags

CCSS.8.EE.C.8A

Looking at a graph... how do you know the systems of equations will have no solution?

• The lines are parallel

• The lines intersect

• The lines are in the same place

Tags

CCSS.8.EE.C.8A

Looking at a graph... how do you know the systems of equations will have one solution?

• The lines are parallel

• The lines intersect

• The lines are in the same place

Tags

CCSS.8.EE.C.8A

A system of linear equations has infinitely many solutions when.....

• Slope is the same

  y-inercept is the same

• Slope is the same

  y-intercept is different

• Slope is different

  y-intercept doesn't matter

Tags

CCSS.8.EE.C.8A

A system of linear equations has one solution when.....

• Slope is the same

  y-inercept is the same

• Slope is the same

  y-intercept is different

• Slope is different

  y-intercept doesn't matter

Tags

CCSS.8.EE.C.8A

A system of linear equations has no solution when.....

• Slope is the same

  y-inercept is the same

• Slope is the same

  y-intercept is different

• Slope is different

  y-intercept doesn't matter

Tags

CCSS.8.EE.C.8A

Which of the two equations below can you use to write a system of equations with no solution?

*Reminder to use a graphing calculator

• y = 5x + 2

  y = 5x - 2

  
  

• y = 5x + 2

  
  y = -5x + 2

• y = -5x + 2

  y = 5x - 2

Tags

CCSS.8.EE.C.8B

Solve using Substitution

2x + 10y = -4

x + y = 2

• (5, 1)

• (-1, 2)

• (3, -1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using the graphing caclulator

y = 30x + 40

y = 40x

• (2, 350)

• (4, 160)

• (3, 210)

Tags

CCSS.8.EE.C.8B