Triangle XYZ is rotated 90° clockwise about the origin to form triangle X Y′ ′Z′. Which statement is true?

The area of triangle XYZ is equal to the area of triangle X'Y′Z' .

Triangle XYZ is not congruent to triangle X'Y'Z'

The sum of the angle measures of triangle XYZ is 90° less than the sum of the angle measures of triangle X'Y'Z'

The angle measures of triangle XYZ are less than the corresponding angle measures of triangle X'Y'Z'

A transformation is applied to a figure to create a new figure on a coordinate grid. Which transformation does NOT preserve congruence?

A dilation by a scale factor of 1.5

A rotation of 270° counterclockwise

In each diagram, line g is parallel to line k, and line t intersects lines g and k. Based on the diagrams, which statement about x is true?

The value of x is 136, because the labeled angles in each diagram are congruent.

The value of x is 44, because the sum of the measures of the labeled angles in each diagram is 180 degrees.

The value of x is 180, because the labeled angles in each diagram are supplementary and the sum of the measures of supplementary angles is 180 degrees.

The value of x is 90, because the labeled angles in each diagram are complementary and the sum of the measures of complementary angles is 90 degrees.

A teacher opened an investment account at a bank. At the end of each year, the bank paid 6.4% annual simple interest on the money in the account. The table shows the activity in the account for three years. Which statement explains why the balance in this account has grown?

The balance in the account has grown because regular deposits were made to the account and interest was earned on the previous year’s balance.

There is not enough information to determine why the balance in the account has grown.

The balance in the account has grown only because regular deposits were made to the account.

The balance in the account has grown only because interest was earned on the account.

A figure was transformed on a coordinate grid using the rule $$\left(x,\ y\right)\rightarrow\left(-x,-y\right)$$ Which of the following describes this transformation?

A 180° clockwise rotation about the origin

A 90° clockwise rotation about the origin

The graph shows a relationship between x and y. Which statement is true?

The graph shows a non-proportional relationship because the graph does not contain the origin.

The graph shows a non-proportional relationship because the graph has a negative slope.

The graph shows a proportional relationship because the x and y intercepts both contain 7.

The graph shows a proportional relationship because the graph passes through 3 different quadrants.

8th Grade Math

Authored by Rebecca Ward

Mathematics

8th Grade

CCSS covered

Used 3+ times

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42 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trapezoid WKRP was translated 4 units to the left and 5 units up on a coordinate grid to create trapezoid W'K'R'P'. Which rule describes this transformation?

Tags

CCSS.HSG.CO.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which representation shows y as a function of x?

Tags

CCSS.8.F.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A bowling ball shaped like a sphere has a diameter of 21.6 centimeters. Which measurement is closest to the volume of the bowling ball in cubic centimeters?

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A customer will borrow $12,000 to buy a car. Which loan option would allow the customer to pay the least amount of interest?

A 6-year loan with a 4.7% annual simple interest rate

A 5-year loan with a 4.2% annual simple interest rate

A 4-year loan with a 5.2% annual simple interest rate

A 3-year loan with an 8.4% annual simple interest rate

Tags

CCSS.7.RP.A.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which table represents a non-proportional relationship between x and y?

Tags

CCSS.7.RP.A.2A

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Triangle TRW is shown on the coordinate grid.
Triangle TRW will be dilated by a scale factor of n with the origin as the center of dilation to create triangle T R′ ′W′. Which ordered pair best represents the location of point R′?

Tags

CCSS.8.G.A.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student’s parents invested $5,000 in a college savings account that pays 4.85% annual simple interest. No additional deposits or withdrawals will be made.
Which amount is closest to the interest earned on the account at the end of 15 years?

$10,174.11

$5,174.11

$8,637.50

$3,637.50

Tags

CCSS.7.RP.A.3

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8th Grade Math

Trapezoid WKRP was translated 4 units to the left and 5 units up on a coordinate grid to create trapezoid W'K'R'P'. Which rule describes this transformation?

Which representation shows y as a function of x?

A bowling ball shaped like a sphere has a diameter of 21.6 centimeters. Which measurement is closest to the volume of the bowling ball in cubic centimeters?

A customer will borrow $12,000 to buy a car. Which loan option would allow the customer to pay the least amount of interest?

Which table represents a non-proportional relationship between x and y?

Triangle TRW is shown on the coordinate grid.Triangle TRW will be dilated by a scale factor of n with the origin as the center of dilation to create triangle T R′ ′W′. Which ordered pair best represents the location of point R′?

A student’s parents invested $5,000 in a college savings account that pays 4.85% annual simple interest. No additional deposits or withdrawals will be made. Which amount is closest to the interest earned on the account at the end of 15 years?

Triangle XYZ is rotated 90° clockwise about the origin to form triangle X Y′ ′Z′.Which statement is true?

A water tank currently contains 275 gallons of water. The amount of water in the tank will decrease at a constant rate of 15 gallons per week. Which function can be used to find t, the total number of gallons of water in the tank after w weeks?

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Triangle TRW is shown on the coordinate grid.
Triangle TRW will be dilated by a scale factor of n with the origin as the center of dilation to create triangle T R′ ′W′. Which ordered pair best represents the location of point R′?

A student’s parents invested $5,000 in a college savings account that pays 4.85% annual simple interest. No additional deposits or withdrawals will be made.
Which amount is closest to the interest earned on the account at the end of 15 years?

Triangle XYZ is rotated 90° clockwise about the origin to form triangle X Y′ ′Z′.
Which statement is true?

A water tank currently contains 275 gallons of water. The amount of water in the tank will decrease at a constant rate of 15 gallons per week.
Which function can be used to find t, the total number of gallons of water in the tank after w weeks?