Question

The area of a square in $x ^ 2 + 4xy + 4y ^ 2$ What is the length of a side of square?

• A. x + y
• B. x + 2y
• C. 2x + y
• D. 2x + 3y

Answer 1

Answer:

B. x + 2y

Area of a square $= side^2$

$side^2=x ^ 2 + 4xy + 4y ^ 2$

$side^2=(x+2y)^2$

$side=x+2y$