A.5 Quiz - Inequalities, Interval Notation

When graphing an inequality, you use a dotted/dashed line when you use which symbol?

• <, >

• ≤, ≥

Tags

CCSS.HSA.REI.D.12

Select the coordinates listed below that are solutions to the following inequality:

 $2x-6y\le-24$  

• (4,2)

• (-8,6)

• (-14,0)

• (-4,-6)

 $2x-y\ge-3$  

Which graph represents the solution to the above inequality.

• 
• 
• 
• 

Tags

CCSS.HSA.REI.D.12

Which coordinate is a solution to the system that is graphed?

• (1, 4)

• (-1, 2)

• (3, -6)

• (5, 4)

Tags

CCSS.HSA.REI.D.12

Which ordered pair is a solution of the following system of inequalities?

• (6.4)

• (-1,-7)

• (-3,2)

• (5,-2)

Write the following in interval notation
-7 ≤ x < 8

• (-7, 8)
• [-7, 8)
• [-7, 8]
• (-7, 8]

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Look at the picture. Which graph best represents the solution set (-∞, -2) or (5, ∞)?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

 $-8\left(x-4\right)-3\le5$  

Which graph represents the following inequality:

• 
• 
• 
• 

Tags

CCSS.7.EE.B.4B

 $x-2<-11$  

What is the interval notation of the following:

•  $\left(-9,\infty\right)$  

•  $\left(-\infty,-9\right)$  

•  $\left(-\infty,-13\right]$  

•  $\left(13,\infty\right]$  

 $3x-7\left(x+3\right)<-13$  

Solve the following inequality:

•  $x<-2$  

•  $x>12$  

•  $x<12$  

•  $x>-2$