Question

A bedroom has a length of x + 5 feet and a width of x feet. Find the area of the bedroom, y, when x = 12. The area equation is y = . When x = 12, the area is ft2.

Answer 1

y = width * length = (x)(x+5) = x^2 + 5x

if x = 12, length = 12 + 5 = 17

so area = 12 * 17 = 204 ft sq