Question

Identify the independent and dependent variables.

The equation A=25w gives the area A (in square feet) of a rectangular dance floor with a width of w feet.

The independent variable is
.

The dependent variable is
.

Answer 1

Independent: Width
Dependent: Area
The area of the dance floor depends on its width.

Answer 2

The equation given is: A=25w

This equation gives the area A (in square feet) of a rectangular dance floor with a width of w feet.

As we can clearly see, the area of the rectangular dance floor is dependent on the value of the width,w. As we increase the width, w, the area, A increases and as we decrease, w, A too decreases.

Therefore, the independent variable is "w" and the dependent variable is "A".