8th Grade Math Test Review 3-1

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.8.F.A.1

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.8.F.A.1

Is this graph a function or not a function? 

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

Is the relation a function? Why.

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

Tags

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.8.F.A.1

How do you determine if a relation is a function? 

• The vertical line test crosses more than one point on the graph.
• The same y-values are mapped from the same x-values.
• The vertical line test crosses only one point on the graph.
• Each input is related to more than one output.

Tags

CCSS.HSF.IF.A.1

What is the slope in the equation y=2x + 3?

• 2
• 3
• 5
• Cannot be Determined 

Tags

CCSS.8.EE.B.5

What is the y-intercept?

• 7
• 5/2
• 3
• -4

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSS.ID.C.7

What is the slope?

• 5
• 1/5
• 15
• 10

Tags

CCSS.8.EE.B.5

• A
• B
• C
• D

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11