Suppose y varies directly as x, and Y=80 when x=16. Which of the following statements is true?

a. The constant of variation is 5.

b. The variable y does not vary directly with x.

c. The constant of variation is - 5.

d. The constant of variation is 1/5.

Question

Mathematics

Kaila Stone

1 October, 21:03

Suppose y varies directly as x, and Y=80 when x=16. Which of the following statements is true?

a. The constant of variation is 5.

b. The variable y does not vary directly with x.

c. The constant of variation is - 5.

d. The constant of variation is 1/5.

+4

Answers (1)

Know the Answer?

Joe Stanley · Answer 1

The following answer is B because it shows that it has to multiply the x - axis by the slope (5) to make sure that it can be equat to the y - axis.

y = 5x

y = 5 (16)

y = 80

(x, y) = (16, 80)

Suppose y varies directly as x, and Y=80 when x=16. Which of the following statements is true?a. The constant of variation is 5.b. The variable y does not vary directly with x.c. The constant of variation is - 5.d. The constant of variation is 1/5.

Suppose y varies directly as x, and Y=80 when x=16. Which of the following statements is true?

a. The constant of variation is 5.

b. The variable y does not vary directly with x.

c. The constant of variation is - 5.

d. The constant of variation is 1/5.