SAT Math Practice Question #12459 - SATify | SATify
#12459
equations
coordinate geometry
circles
hard
150 sec
A circle in the xy-plane has its center at (−1,−5) and has a radius of 8. An equation of this circle is x2+y2+ax+by+c=0, where a,b, and c are constants. What is the value of c?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.
