Question

Rhett decides to build a square room for his movie and music collection. If the area of the room is 4x2 + 28x + 49 square feet, what is the length of one side of the room?

Answer 1

factor it

Answer 2

(2x+7)(2x+7)

Answer 3

the answer doesnt make sense

Answer 4

u cant have x=-3.5

Answer 5

A=s^2=4x2+28x+49
\[s=\sqrt{4x^2+28x+49}=\sqrt{(2x+7)^2}=2x+7\]

Answer 6

length is supposed to positive

Answer 7

the length is 2x+7

Answer 8

it ddnt ask for us to solve the roots

Answer 9

ok

Answer 10

ur right tho since length cant b negative u could write
x>-3.5