PLEASE HELP ASAP Prove: An odd number squared is an odd number.

n+
(2n + 1)2 = [ ? ]n2
1(2n2 + 2n) +

= an odd

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,