8TH GRADE MATH SBAC REVIEW PART 3

Does this mapping diagram represent a function?

• No, because there are repeating input values
• Yes, because there are no repeating input values

Tags

CCSS.8.F.A.1

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values
• No, because the vertical line test shows there are repeating input values

Tags

CCSS.HSF.IF.A.1

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

Is this table a function or not a function? 

• Function
• Not a Function

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

Find the slope from the graph

• 0
• undefined
• 5
• -5

Tags

CCSS.8.EE.B.5

Find the slope

• 0
• undefined
• -3
• 6

Tags

CCSS.8.EE.B.5

Which of the following is in slope-intercept form?

• y=10x-7
• y-5=3(x-1)
• 5x-y=12
• 6x+2y-15=0

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the y-intercept in the following equation:  y=-4x-5

• -4
• -4x
• 5
• -5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the equation 4x-2y=10 in slope-intercept form.

• y=2x+5
• y=-4x-5
• y=2x-5
• y=4x-5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3