FREE MAP 8th Grade Math Questions and Answers

Question 1

When a figure is transformed using one of the following methods on a coordinate grid, which one does not preserve congruency?

Accepted Answer

A dilation by a scale factor of 0.5

Answer

A reflection across the x-axis

Answer

A rotation of 320° clockwise

Answer

A translation of 38 units left

Question 2

An engineer determined the length of a square cardboard diagonal in centimeters by solving the equation x2 = 140. Which of the following sums up the square's diagonal's approximate length in centimeters?

Accepted Answer

12

Answer

35

Answer

70

Answer

28

Question 3

Jos puts $2,350 into two bank accounts for savings.

Every year, Account X offers 3.25% simple interest.
3.75% interest is compounded annually on Account Y.

Which amount, if Jos made no more deposits or withdrawals, would be closest to the difference between the interest Jos will receive in Account X and Account Y after three years?

Accepted Answer

$45.28

Answer

$503.53

Answer

$229.13

Answer

$274.40

Question 4

On a coordinate grid, parallelogram XVUW was translated six units to the right and seven units down to produce parallelogram X'V'U'W. Which of the following rules best sums up this change?

Accepted Answer

(x,y) → (x + 6,y – 7)

Answer

(x,y) → (x + 6,y + 7)

Answer

(x,y) → (x – 6,y + 7)

Answer

(x,y) → (x – 6,y – 7)

Question 5

A client requests a $15,000 loan so that he can remodel his house. Which of the following loan choices enables the borrower to make the lowest possible interest payment?

Accepted Answer

A 3-year loan with a 5.6% annual simple interest rate

Answer

A 6-year loan with an 7.8% annual simple interest rate

Answer

A 5-year loan with a 4.8% annual simple interest rate

Answer

A 4-year loan with a 4.5% annual simple interest rate

Question 6

Examine the following diagram, which illustrates a conical birthday cap's height.

The cone is 675π cubic centimeters in volume. What is the cone's approximate radius in centimeters?

Accepted Answer

9

Answer

12.5

Answer

18

Answer

16

Question 7

Examine the following graph of a linear function:

Accepted Answer

10

Answer

-5

Answer

-10

Answer

5

Question 8

Alan put $9,000 into a business savings account with an annual simple interest rate of 5.75%. No more money will be deposited or taken out.

What is the closest estimate of the interest that will be deposited into the account after a period of 12 years?

Accepted Answer

$6,210

Answer

$15,210

Answer

$8,625

Answer

$4,312.50

Question 9

A tank has a volume of 5,991,000 square millimeters. How should this square centimeter amount be expressed in scientific notation?

Accepted Answer

5.991 × 10⁶

Answer

5,991 × 10⁻³

Answer

5.991 × 10⁻⁶

Answer

5,991 × 10³

Question 10

The diameter of an earth globe with a sphere-like shape is 25.5 cm. In cubic centimeters, which of the following best describes the estimated volume of the globe?

Accepted Answer

69,420.69

Answer

8,167.14

Answer

2,722.38

Answer

17,355.17