Nine people were surveyed to investigate the patterns of association between the time they spent playing video games and their ages. The data are shown in the scatter plot. Which statements describe the pattern in the scatter plot? Select two answer choices.

C. There is a linear association in the data.

D. There is a positive association in the data.

A. There is an outlier in the data.

B. There is clustering in the data.

E. There is a nonlinear association in the data.

Tonya used side lengths a, b, and c to make different triangles. When Tonya only changed the length of side c, she noticed patterns with the side lengths used and the types of triangles formed. Which statement is true from Tonya’s investigation?

If the length of side c is equal to $$\sqrt{a^2 + b^2}$$ , the triangle formed is a right triangle.

If the length of side c is equal to 2a + 2b, the triangle formed is a right triangle.

If the length of side c is equal to $$\sqrt{a^2 - b^2}$$ , the triangle formed is a right triangle.

If the length of side c is equal to 2a - 2b, the triangle formed is a right triangle.

The graph of a function is shown on the coordinate plane. Which statements are true? Select two answer choices.

The function is linear between x = 2 and x = 4.

The function is decreasing and nonlinear between x = -1 and x = 2.

The function is linear between x = 6 and x = 8.

The function is decreasing between x = -9 and x = -6.

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

Given the equation 2(6x + 3) = 3(4x + 3), which statement is true?

The equation has a solution of 0.

The equation has a solution of 1.

The equation has infinitely many solutions.

The vertices of quadrilateral ABCD are located at (−7, 3), (−7, 5), (−5, 5), and (−5, 3). Which coordinates are the vertices of image A′B′C′D′ after ABCD has been rotated 270° counterclockwise about the origin?

(−3, −7), (−5, −7), (−5, −5), (−3, −5)

(7, −3), (7, −5), (5, −5), (5, −3)

Alice drew two triangles on the coordinate plane as shown. Which series of transformations proves the two triangles are congruent?

Rotate triangle ABC 90 degrees counterclockwise with the center of rotation at point (0, 0), followed by a reflection across the x-axis.

Reflect triangle ABC across the x-axis, followed by a translation 5 units left.

Reflect triangle ABC across the x-axis, followed by a reflection over the y-axis.

Rotate triangle ABC 180 degrees counterclockwise with the center of rotation at point (0, 0), followed by a translation 2 units down.

Rectangles ABCD and A'B'C'D' are shown on the coordinate plane. Which statement describes a sequence of transformations that can be used to verify that rectangle A'B'C'D' is similar to rectangle ABCD?

Dilate rectangle ABCD with a scale factor of 1/2 about the origin, followed by a 180° rotation counterclockwise about the origin.

Dilate rectangle ABCD with a scale factor of 1/2 about the origin, followed by a translation 5 units down and 7 units left.

Dilate rectangle ABCD with a scale factor of 2 about the origin, followed by a 180° rotation counterclockwise about the origin.

Dilate rectangle ABCD with a scale factor of 2 about the origin, followed by a translation 5 units down and 7 units left.

MATH 8 REVIEW QUESTIONS 3

Authored by Sarah Ginoo

Mathematics

8th Grade

CCSS covered

Used 11+ times

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24 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.8.EE.A.2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

46°

90°

136°

226°

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The table represents a company’s digital music revenue for six years. Amy correctly made a scatter plot of the data in the table. Which statement is true based on her scatter plot?

There is at least one outlier.

There is a nonlinear association.

There is a positive linear association.

There is a negative linear association.

Tags

CCSS.HSS.ID.B.5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which ordered pairs should be removed to make the graph a function?

(−2, 4) and (11, −7)

(6, 5) and (6, 7)

(3, 3) and (6, 3)

(1, 1) and (6, 7)

Tags

CCSS.8.F.A.1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A nanometer can be expressed as 1 × 10⁻⁹ meters, and a millimeter can be expressed as 1 × 10⁻³ meters. How many times larger is a millimeter than a nanometer?

10,000

100,000

1,000,000

10,000,000

Tags

CCSS.5.NBT.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Company A sells 500 pencils for $62.50. The equation y = 0.25x represents the cost of buying x number of pencils from Company B. Which statement describes the relationship between the prices per pencil for Company A and Company B?

The price per pencil at Company B is one-third the price per pencil at Company A.

The price per pencil at Company B is one-half the price per pencil at Company A.

The price per pencil at Company B is twice the price per pencil at Company A.

The price per pencil at Company B is triple the price per pencil at Company A.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

MULTIPLE SELECT QUESTION

3 mins • 1 pt

The graph shows the relationship between the value of a car, in dollars, after t years. Which statements are true about the relationship? Select two answer choices.

After 10 years, the car is worth $0.

The value of the car increases by $1,200 each year.

The value of the car decreases by $1,200 each year.

The value of the car when it was brand-new was $16,000.

The relationship can be modeled by the linear function V = 1,200t + 16,000.

Tags

CCSS.HSF.LE.B.5

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MATH 8 REVIEW QUESTIONS 3

The table represents a company’s digital music revenue for six years. Amy correctly made a scatter plot of the data in the table. Which statement is true based on her scatter plot?

Which ordered pairs should be removed to make the graph a function?

A nanometer can be expressed as 1 × 10⁻⁹ meters, and a millimeter can be expressed as 1 × 10⁻³ meters. How many times larger is a millimeter than a nanometer?

Company A sells 500 pencils for $62.50. The equation y = 0.25x represents the cost of buying x number of pencils from Company B. Which statement describes the relationship between the prices per pencil for Company A and Company B?

The graph shows the relationship between the value of a car, in dollars, after t years. Which statements are true about the relationship? Select two answer choices.

A list of numbers is shown. 7.6, √50, √65, √78, 8.2. To plot the numbers on a number line, which list is ordered from least to greatest?

What is the relative frequency, rounded to the nearest tenth of a percent, of students who purchased popcorn?

The graph shows the locations of an eagle’s nest, a tree, and a pond. On the coordinate grid, each unit represents a mile. Which distance best represents the shortest distance from the pond to the tree? Round to the nearest tenth of a mile.

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