Unit 4 Review

Which relation is not a function?

• {(-9,2), (4,-5), (-2, 0), (0, 2)}

• 
• 
• 

Tags

CCSS.8.F.A.1

Which ordered pair could be added to the relation below to ensure it continues to be a function?

{(-7, 0), (4, -1), (0, 5), (-2, -2)}

• (4, -4)

• (5, 0)

• (0, -3)

• (-7, -1)

Tags

CCSS.8.F.A.1

What is the slope of the line graphed below?

• 3

• -3

• 1/3

• -1/3

Tags

CCSS.8.EE.B.5

What is the slope of the line graphed below?

• 1

• -1

• zero

• undefined

Tags

CCSS.8.EE.B.5

Find the slope of the line that passes through the points (-1, -3) and (-9, 7).

Answer explanation

Make sure to use the proper equation!

y2-y1 / x2-x1

-5/4

Tags

CCSS.8.EE.B.5

Find the slope of the line that passes through the points (-6, -2) and (-7, -2).

Answer explanation

Make sure to use the proper equation!

y2-y1 / x2-x1

0

Tags

CCSS.8.EE.B.5

The table below shows the age of a tree along with its height. Use the table to answer the following question.

What is the rate of change from year 2 to year 7?

• 1.2

• -1.2

• 0.83333

• -0.83333

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

The table below shows the age of a tree along with its height. Use the table to answer the following question.

During which interval is the rate of change the greatest?

• year 0 to year 2

• year 2 to year 7

• year 7 to year 9

• year 9 to year 13

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

The graph shows the number of students in the 8th grade class. Use the graph to answer the following question.

Find the rate of change from 2002 to 2008.

• -2.5 students per year

• 2.5 students per year

• -3 students per year

• 3 students per year

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

The graph shows the number of students in the 8th grade class. Use the graph to answer the following question.

Find the rate of change from 2012 to 2016.

• -10.5 students per year

• 10.5 students per year

• -11.25 students per year

• 11.25 students per year

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6