Triangle A and triangle B are graphed on the coordinate plane below. Which sequence of transformations will map triangle A onto its congruent image, triangle B ?

a reflection over the x-axis, then a translation 6 units to the left

a reflection over the x-axis, then a reflection over the y-axis

a translation 8 units down, then a reflection over the y-axis

a rotation 90 degrees clockwise about the origin, then a translation 6 units to the left

Rectangle A'B'C'D' is similar to rectangle ABCD, as shown on the coordinate plane below. Which sequence of transformations maps rectangle ABCD onto rectangle A'B'C'D?

a reflection over the y-axis, then a dilation by a scale factor of 1/2 with a center of dilation at the origin

a translation 8 units to the left, then a dilation by a scale factor of 1/2 with a center of dilation at the origin

a dilation by a scale factor of 1/2 with a center of dilation at the origin, then a 90 degree counterclockwise rotation about the origin

a 90 degree counterclockwise rotation about the origin, then a dilation by a scale factor of 1/2 with a center of dilation at the origin

Which statement about the solution to the equation shown below is true? $$3=-\frac{1}{3}x$$

There is only one solution, x = -9.

There is only one solution, .x = -1

There are an infinite number of solutions.

Which statement best describes the data in a scatter plot where the y-values are decreasing as the x-values are increasing?

The data can best be modeled by a line with a negative slope.

The data can best be modeled by a vertical line

The data can best be modeled by a horizontal line.

The data can best be modeled by a line with a positive slope.

Linear functions M and P are shown below. In comparing the rates of change, which statement about Function M and Function P is true?

Function M has a greater rate of change than Function P.

Their rates of change differ by 2.

Their rates of change differ by 4

Function M and Function P have the same rate of change.

The scatter plot below shows the average number of customers who visit a food truck per day, depending on the number of days the food truck stays in the same location. Which statement best describes the association between the number of days the food truck is in the same location and the number of customers who visit the food truck per day?

There is a positive linear association.

There is a nonlinear association.

There is a negative linear association.

The graph of a function is shown on the coordinate plane below. Which statement correctly describes the function on a given interval?

The function is decreasing and nonlinear between x = 4 and x = 11 .

The function is decreasing and nonlinear between x = -7 and x = -4 .

The function is increasing and linear between x = -4 and x = 1 .

The function is increasing and linear between x = 1 and x = 4.

Look at the scatter plot below. Liza used points J and K to draw a line of best fit for the data. Derek used points J and M to draw a line of best fit. Which reason best explains why Derek's line is a better model for the data?

Since point k is an outlier, Liza's line would be far from most of the other data points.

Since point J is close to the other points, Derek's line would also be close.

Since Derek's line has a positive slope, it can be used as the line of best fit.

Since k is a data point, Liza's line can pass through it and still fit the data

Of the three linear functions represented below, Which has the greatest rate of change?

All three functions have the same rate of change

Jeffrey and Fumi walk at different speeds. Fumi's walking speed can be represented by the function y = 85x, where x is the time in minutes and y is the distance in meters. The distance Jeffrey walked over time is shown in the graph below. Which statement is true?

Jeffrey walks 5 meters per minute slower than Fumi

Jeffrey walks 5 meters per minute faster than Fumi

Jeffrey walks 10 meters per minute faster than Fumi

Jeffrey walks 10 meters per minute slower than Fumi

This scatter plot with line of best fit shows the relationship between the test price of a magazine subscription and the total number of subscriptions ordered. What does the slope of the line represent?

the change in the number of orders as the cost increases

the change in the cost per issue

the number of subscription orders

Is (-2,0) a solution to this system of equations?

No. It is not a solution to the second equation.

Yes. It is a solution to both equations

No. It is not a solution to the first equation.

No. It is not a solution to either equation.

What did one math book say to the other?

Don't bother me, I've got my own problems!

8th grade common core review

Authored by DANIELLE MURNANE

Mathematics

8th Grade

CCSS covered

Used 37+ times

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50 questions

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MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which ordered pair could be removed to make the set a function?
{(1,3), (2,4), (3,4), (3,6), (5,10), (6,3)}

(2,4)

(3,4)

(1,3)

(6,3)

Tags

CCSS.8.F.A.1

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which graph represents a linear function of x?

Tags

CCSS.8.F.A.3

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Tags

CCSS.8.EE.A.4

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

At a factory, the cost of making different numbers of toothbrushes is shown in the table below.
A linear function models the cost based on the number of toothbrushes made. Which statement about the rate of change of this function is true?

The cost increases by $1.50 for each additional toothbrush made.

The cost increases by $4.50 for each additional toothbrush made.

The cost increases by $9.00 for each additional 3 toothbrushes made

The cost increases by $18.00 for each additional 3 toothbrushes made.

Tags

CCSS.HSF-LE.A.1B

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A company makes two different-sized ice cream cones. The smaller cones are 3.5 inches tall and have a diameter of 3 inches. The larger cones are 5.1 inches tall and have a diameter of 4.5 inches. About how much greater, to the nearest tenth of a cubic inch, is the volume of the larger cone than the volume of the smaller cone?

18.8

56.4

75.2

225.5

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Chris and Sam earn money shoveling snow, as described below.
The amount of money Chris earns can be modeled by the equation y=8.25x, where y is the total amount of money, in dollars, earned in xhours.
The table below shows the relationship between the total amount of money earned, y, in dollars, and the total amount of time worked, x, in hours, for Sam.
Which statement correctly compares the rates at which Chris and Sam earn money shoveling snow?

Sam earns $0.75 more per hour than Chris.

Chris earns $0.75 more per hour than Sam

Sam earns $0.25 more per hour than Chris.

Chris earns $0.25 more per hour than Sam.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which equation represents a function of x that is not linear?

Tags

CCSS.8.F.A.3

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8th grade common core review

Which ordered pair could be removed to make the set a function?{(1,3), (2,4), (3,4), (3,6), (5,10), (6,3)}

Which graph represents a linear function of x?

At a factory, the cost of making different numbers of toothbrushes is shown in the table below. A linear function models the cost based on the number of toothbrushes made. Which statement about the rate of change of this function is true?

Which equation represents a function of x that is not linear?

Which equation represents the line shown on the coordinate plane below?

Triangle A and triangle B are graphed on the coordinate plane below.Which sequence of transformations will map triangle A onto its congruent image, triangle B ?

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Discover more resources for Mathematics

Which ordered pair could be removed to make the set a function?
{(1,3), (2,4), (3,4), (3,6), (5,10), (6,3)}

At a factory, the cost of making different numbers of toothbrushes is shown in the table below.
A linear function models the cost based on the number of toothbrushes made. Which statement about the rate of change of this function is true?

Triangle A and triangle B are graphed on the coordinate plane below.
Which sequence of transformations will map triangle A onto its congruent image, triangle B ?