SAT Math Practice Question #36215 - SATify | SATify
#36215
coordinate geometry
circles
geometry
hard
150 sec
A circle in the xy-plane is tangent to the line y=2x+7 at the point (−3,1). If the center of the circle lies on the y-axis, what is the y-coordinate of the center?
• 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.