DOL - 1/8

What is the definition of a function?

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

Tags

CCSS.8.F.A.1

Is the relation a function? Why?

• Yes, because the x-value 11 has two y-values paired with it.

• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values paired with it.

• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function 
• Not a Function

What is the slope of the line
y = 3x -5 

• -5
• -5/3
• 5/3
• 3

Tags

CCSS.8.EE.B.5

What is the y-intercept?
y = 6x - 4 

• 6/1
• 1/6
• -4
• 4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope between the two points?
(2, -4); (-2, 4)

• 0
• -2
• undefined
• 2

Tags

CCSS.8.EE.B.5

What is the slope of the line that passes through these two points (8, 4) and (5, 3)?

• 3

• -1

• -1/3

• 1/3

Tags

CCSS.8.EE.B.5

What is the slope of the line that passes through these two points (-5, 7) and (6, 4)?

• 3/11

• -3/11

• -1/3

• 1/3

Tags

CCSS.8.EE.B.5

What does "m" represent in y=mx+b?

• y-intercept
• slope
• macaroni
• nothing

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3