8th Grade Functions

Is (2,7) (2,8) (1,9) (8,9) a Function

• Yes

• Yes and no

• No

• I dont know. This is the correct answer though.

Tags

CCSS.HSF.IF.A.1

Why is (2,9) (2,7) (6,7) is NOT a Function in the best explantion possible

• Because on the X Axis the 2 repeats

• Becuase it does not pass the vertical line test

• It is a function

• It is a function because it deals with the youtuber Ali-A

Tags

CCSS.HSF.IF.A.1

What line is the x-axis

• The Horizontal line

• The Vertical Line

• Up and Down line

• Side to Side line

Tags

CCSS.5.G.A.1

Is Slope Part of Functions

• Yes it is called Slope of Linear Functions

• No it dosent

• yes

• why should it

Tags

CCSS.HSA.REI.C.6

CCSS.HSF.IF.C.7

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSG.GPE.B.5

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.HSF.IF.A.1

CCSS.8.F.A.1

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.HSF.IF.A.1

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.HSF.IF.A.1

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.HSF.IF.A.1

Which two functions have a graph that is a line?

• y = 3/x + 2

• y = 2x²– 9x

• y = –3^x

• y = 2x – 9

• y = –6x/7

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Select all of the following equations which define linear functions.

• y = 3/5

• y = x² – 7

• y = 6 – 5x

• y = 9x

• y = 4/x + 1

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2