Which choice best defines the term "linear function"?

An equation that can be written in slope-intercept form

An equation that is the bomb diggity

An equation with an exponent in it

An equation that has a slope but not a y-intercept

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

The more books students read, the higher their English grade.

The more books students read, the lower their English grade.

The fewer books students read, the higher their English grade.

No relationship exists between the number of books students read and their English grades.

What is a line of best fit used for?

To make it look like you know what you are doing

In the figure, triangle PQR has vertices P(0, −1), Q(3, −1) and R(5, −3). What are the vertices of the image after the translation (x, y) → (x − 5, y + 1)?

P′ (−5, 0), Q′ (−2, 0), R′ (0, −2)

P′ (1, −6), Q′ (4, −6), R′ (6, −8)

P′ (5, −2), Q′ (8, −2), R′ (10, −4)

P′ (−1, 4), Q′ (2, 4), R′ (4, 2)

Which reflection does the image show?

Reflection across the y-axis according to the rule (x, y) → (−x, y)

Reflection across the x-axis according to the rule (x, y) → (x, −y)

Reflection across the y-axis according to the rule (x, y) → (x, −y)

Reflection across the x-axis according to the rule (x, y) → (−x, y)

Which rule would give the translation from point P (2, 5) to the image P′ (−1, 7)?

Move 3 units left and 2 units up.

Move 3 units right and 2 units up.

Move 3 units left and 7 units up.

Move 2 units right and 2 units up.

Algebra CLASS SBAC Practice for 8th grade

Mathematics

8th Grade

CCSS covered

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Algebra CLASS SBAC Practice for 8th grade

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37 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Erin is 3 years younger than twice Alex's age. Their ages combined are 33 years. How old are Alex and Erin. If x=Erin's age and y=Alex's age, choose the system that matches the situation.

x + y = 33
y = 2x - 3

x + y = 33
x = 2y - 3

x + y = 33
x = 3 - 2y

x + y = 3
x = 33 - 2y

Tags

CCSS.HSA.CED.A.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between the volume of a cone and cylinder when they both have the same radius and height?

The cylinder is 1/3 the volume of the cone.

The cone is 1/3 the volume of the cylinder.

They have the same volume.

Their volumes are not related at all.

Tags

CCSS.5.MD.C.5C

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of association does this graph have?

positive

negative

none

all of the above

Tags

CCSS.HSF-LE.A.1B

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month. Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles?

A. 50 min

B. 80 min

C. 45 min

D. 60 min

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

12 chapters

15 chapters

18 chapters

21 chapters

Tags

CCSS.HSF.BF.A.2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The number of siblings you have and your weight.

Positive correlation

Negative correlation

No correlation

All of the above

Tags

CCSS.HSF-LE.A.1B

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As x increases, y increases

correlation coefficient

causation

positive correlation

negative correlation

Tags

CCSS.HSF-LE.A.1B

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Algebra CLASS SBAC Practice for 8th grade

Erin is 3 years younger than twice Alex's age. Their ages combined are 33 years. How old are Alex and Erin. If x=Erin's age and y=Alex's age, choose the system that matches the situation.

What is the relationship between the volume of a cone and cylinder when they both have the same radius and height?

What type of association does this graph have?

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month. Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles?

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

The number of siblings you have and your weight.

As x increases, y increases

Find the slope for the trend line using points (2,2) and (4,3)

Which scatter plot shows a linear relationship between x and y?

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

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