Which of the following quadratic equations correctly models the statement: "The sum…
MATHEMATICS · Single correct · AoPS · Mathematics · Quadratic Equations - Part 1 · Quadratic Equations - Part 1
Problem
Which of the following quadratic equations correctly models the statement: "The sum of the squares of two consecutive integers is 85," where x denotes the smaller integer?
(a) 2x2+2x=85
(b) x2+2x−85=0
(c) 2x2+4x−81=0
(d) 2x2+2x+1=85