Question

The area of a rectangle is 15+5y square feet. Which of the following expressions could be the length of the sides of the rectangle, in feet

a. 5 and 3y
b. 5 and 3+y
c. 5 and 5+y
d. 3 and 5+3y

Answer 1

B. 5ft and (3 + y)ft

Explanation:

Area of a rectangle = 15 + 5y

Possible sides of the rectangle would measure 5ft and (3 + y)ft

Because: 5ft × (3 + y)ft = 15 + 5y ft