SAT Math Practice Question #33475 - SATify | SATify
#33475
equations
circles
coordinate geometry
medium
75 sec
A circle in the xy-plane has its center at (−1,6) and has a radius of 4. An equation of this circle is x2+y2+ax+by+c=0, where a,b, and c are constants. What is the value of a?
• 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.
