Question

The width of a rectangle is y feet long. The rectangle is 4 feet longer than it is wide. What is the area of the rectangle? Which expression represents the area?​

Answer 1

Answer:

y²+4y

Step-by-step explanation:

y multiplies with (y+4)

y times y is y²

y times 4 is 4y

That leaves you with y²+4y

Answer 2

Answer: $y^2+4y$ expresses the area.

Step-by-step explanation:

Let the width of a rectangle be 'y' feet.

Let the length of a rectangle be 'y+4' feet.

As we know the area of rectangle :

Area of rectangle is given by

$Length\times breadth\\\\=y\times (y+4)\\\\=y^2+4y$

Hence, $y^2+4y$ expresses the area.