Systems of Equations and Inequalities

If a system of equations has no solution, what does the graph look like? 

• intersecting lines

• parallel lines

• skew lines

• intersecting lines

Tags

CCSS.8.EE.C.8A

Which point is a solution?

• (0, 6)

• (-3, 4)

• (1, 0)

• (-4, 3)

Tags

CCSS.HSA.REI.D.12

• y < x−2 
  y < 3
• y > -x+2
  y > 3
• y < -x+2
  y < 3
• y < -x+2
  y > 3

Tags

CCSS.HSA.REI.D.12

Which system of equations represents the graph? **solve for y**

• y = -3/5x - 3

  3 + y = 3x

• y = - 5/3 x + 3

  x - 3y = 9

Tags

CCSS.8.EE.C.8B

A system of equations that looks like this has ....

• infinite solutions

• no solution

• one solution 

Tags

CCSS.8.EE.C.8A

Pick the ordered pair that is NOT a solution **pay attention to the units on the graph**

• (0,0)

• (1,-1)

• (2,0)

• (4,-4)

Tags

CCSS.HSA.REI.D.12

Pick the following inequality that relates to this graph:

• y<-2x+2

• y≤-2x+2

• y>-2x+2

• y≥-2x+2

Tags

CCSS.HSA.REI.D.12

An inequality using a ≤ or ≥ is graphed using a 

• solid line

• dashed line

• invisible line

• no line!

Tags

CCSS.HSA.REI.D.12

Solve the system by graphing:

y = 6x - 4

x + y = 3

• (1, 2)

• (2, 1)

• (4, 5)

• (2, 4)

Tags

CCSS.8.EE.C.8B

An inequality using a > or a < has a ___________ line

• invisible

• solid

• dashed

Tags

CCSS.6.EE.B.8