Systems of Equations and Inequalities

Use substitution to 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

Are the points on the boundary line part of the solution set or not?

• Yes, they are part of the solution set
• No, they are NOT part of the solution set

Tags

CCSS.HSA.REI.D.12

How can I tell if an inequality will have a solid line?

• It has an equal sign.
• The symbol is greater than.
• The symbol has "or equal to."
• You just guess.

Tags

CCSS.HSA.REI.D.12

What is the solution?

• (6, 3)
• (3, 6)
• (-6, 3)
• No solution

Tags

CCSS.8.EE.C.8A

Check to see if (-2,1) is a solution to the following system:
x+2y=0
4x+3y=1

• yes
• no

Tags

CCSS.HSA.REI.C.6

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

• invisible
• solid
• dashed

Tags

CCSS.6.EE.B.8

Is (3,-4) a solution to this system?

• yes
• no

Tags

CCSS.HSA.REI.D.12

Pick the ordered pair that is NOT a solution

• (0,0)
• (1,-1)
• (2,0)
• (4,-4)

Tags

CCSS.HSA.REI.D.12

Solve using any method:
2x+3y=10
-2x+y=14

• (6,-4)
• (-4,6)
• (4,6)
• (6,4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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