Question

Sam decides to build a square garden. If the area of the garden is 4x2 + 28x + 49 square feet, what is the length of one side of the garden? (5 points)


(2x + 7) feet
(7x + 2) feet
(2x − 7) feet
(7x − 2) feet

Answer 1

\[\sqrt{4 x^2+28 x+49}=\sqrt{(2 x+7)^2}=2 x+7 \]

Answer 2

So does that mean that it is a?

Answer 3

@robtobey

Answer 4

Yes, "A", (2x + 7) feet