Question

A square has an area of 49x^2-56x+16 square meters. Which expression represents the length of each side, in
meters?

Answer 1

please help

Answer 2

HI!!

Answer 3

you are supposed to recognize
\[49x^2-56x+16\] as a "perfect square" which cannot be too hard

Answer 4

what is 16 the square of ?

Answer 5

it doesn't explain

Answer 6

the answer could be
A.7x-4
b.7x+4
C.28x-16
D.(28x-16)^2

Answer 7

@misty1212 Hi!! :)

Answer 8

@perl

Answer 9

@Ness9630

Answer 10

@Jhannybean

Answer 11

@dan815 please help me

Answer 12

Misty made a good point, since it's a square, it means all sides are the same. So just gotta learn what the perfect squares of 16 and 49.

Answer 13

the perfect square of 16 is 4 and 49 is 7