SAT Practice0727e22f-f583-4696-b931-a7ab10b22425

Practice one SAT question at a time

Questions come from the Bluebook question bank. Made by Iskaa303 (Iskander Madikhan).

x2+xt+y2-y-65=0

The given equation, where t is a constant, defines a circle in the xy-plane. The radius of this circle is 83 . What is the value of t ?