Math 8 Functions Unit Sample Test (eMath - Unit 6)

• 1

• 2

• 3

• 0

Tags

CCSS.8.F.A.1

The graph below shows a function. Which of the following is not in the range of the function?

• 0

• 2

• -2

• 9

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which table could represent a linear function?

• Table (1)

• Table (2)

• Table (3)

• Table (4)

Tags

CCSS.8.F.A.3

After traveling for 50 miles, Ivy gets on the highway and continues traveling at a constant rate of 65 miles per hour. Which function below describes Ivy’s distance traveled, d, as a function of the amount of time, t, in hours that she has been traveling on the highway?

Tags

CCSS.HSF-BF.A.1A

Niki is keeping track of the total amount of snow that fell at her house during a blizzard. The table below shows how the total is a function of the time since the blizzard started. Which of the following gives the average rate that the snow has increased from 8 to 24 hours?

• 0.7 inches per hour

• 1.3 inches per hour

• 1.5 inches per hour

• 2.2 inches per hour

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Each scatter plot below shows the same set of data. Which choice has the most appropriate best fit line drawn for this data set?

• Option 1

• Option 2

• Option 3

• Option 4

Tags

CCSS.8.EE.B.5

In the context of the scatter plots, what does a best fit line represent?

• The exact values of the data points

• An average trend of the data

• The maximum values of the data

• The minimum values of the data

Tags

CCSS.8.EE.B.5

• 0.11 pounds

• 1 pound

• 2.3 pounds

• 0.5 pounds

Tags

CCSS.HSF.LE.B.5

Fill in the blank: In a linear equation y = mx + b, m represents the ____.

• y-intercept

• slope

• x-intercept

• constant term

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Fill in the blank: In the equation y = 2.3x + 0.11, the term 0.11 represents the ____.

• y-intercept/starting value

• slope/rate of change

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2