Inverse Variation Answers

If y varies inversely as x and y is 6 when x is 11, what is x when y is 13.2?

The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 2 amperes when the resistance is 770 ohms. What is the current when the resistance is 808 ohms? Round your answer to two decimal places if necessary.

Use the equation to determine the current (I) when the R is 20 ohms.

Solve:

The weight of a person on or above the surface of the earth varies inversely as the square of the distance the person is from the center of the earth. A particular person weighs 192 pounds on the surface of the earth and the radius of the earth is 3900 miles. Determine the equation that relates weight, W, to the distance from the center of the earth, d, for this person. a. b. c. d. Please select the best answer from the choices provided

Solve:

If y varies inversely as x and y is 1.5 when x is 8, what is y when x is 2?

The current (I) in an electrical conductor varies inversely as the resistance (R) of the conductor. The current is 6 amperes when the resistance is 722 ohms. What is the current when the resistance is 768 ohms? Round your answer to two decimal places if necessary.

Choose the equation that models the following statement: The current, I amps, produced by a battery is inversely proportional to the resistance, R ohms a. I = kR c. b. d. Please select the best answer from the choices provided

The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose intensity is 8000 units at a distance of 2 miles. What will the intensity be at a distance of 11 miles? Round your answer to the nearest unit.

In an inverse variation, what happens to the values of the two variables?

A quantity a varies inversely as a quantity b, if, when b changes, a changes in the inverse ratio. What happens to the quantity a if the quantity b doubles?

The number of hours, h, it takes for a block of ice to melt varies inversely as the temperature, t. If it takes 2 hours for a square inch of ice to melt at 70 degrees, find the constant of proportionality