5.1 Understanding Linear Functions

 $y=3x+2x-4$  

Is the function linear? Why or why not

• Linear; because it can be written in y=mx+b

• Not Linear; because there are two x's

• Linear; because it can be written in standard form

• Not linear; because it can't be written in standard form

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

 $f\left(x\right)=2x^2-9$  

Is the function linear? Why or why not

• Linear; because it can be written in y=mx+b

• Not Linear; because there is a square

• Linear; because it can be written in standard form

• Not linear; because it can't be written in standard form

 $-2+7x=2y+2$  

Is the function linear? Why or why not

• Linear; because it can be written in standard form

• Not Linear; because there is a square

• Linear; because it can be written in y=mx+b

• Not linear; because it can't be written in standard form

 $f\left(x\right)=6x+3^2$  

Is the function linear? Why or why not

• Linear; because it can be written in y=mx+b

• Not Linear; because there is a square

• Linear; because it can be written in standard form

• Not linear; because it can't be written in standard form

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

Rewrite the equation in standard form
 $-2+3x+2y=4$  

•  $3x+2y=2$  

•  $3x+2y=-6$  

•  $3x+2y=-2$  

•  $3x+2y=6$  

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Is this a continuous or discrete function?

• Continuous Function

• Discrete Function

• Not enough information

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSS.ID.B.6

(Check your Vocab) Fill in the blank.

The graph is ____________

• a Continuous Function

• a Linear Function

• a Linear Equation

• not a Linear Function

• not a Straight Line

Tags

CCSS.HSA.REI.D.10