Test — Test Answers

Explain why no part of the graph appears below the x-axis? a. The y-value is always negative c. The y-value is always zero b. The y-value is always positive d. The y-value is always 10 Please select the best answer from the choices provided

The quantity y varies directly with the square of x and inversely with z. When x is 9 and z is 27, y is 6. What is the constant of variation?

It takes 4 lawnmowers to cut 2 acres of grass in 2 hours. If the amount of time varies directly with the amount of grass and inversely with the number of lawnmowers, how many hours will it take 2 lawnmowers to cut 6 acres of grass?

When y is 4, p is 0.5, and m is 2, x is 2. If x varies directly with the product of p and m and inversely with y, which equation models the situation?

For the function defined by , What is the constant of proportionality? a. 150 c. 15 b. undefined d. 1500 Please select the best answer from the choices provided