SAT Math Practice Question #31954 - SATify | SATify
#31954
manipulation
formulas
completing the square
coordinate geometry
equations
circles
algebra
geometry
hard
90 sec
The graph of 2x2+12x+2y2−4y=30 in the xy-plane is a circle. What is the length of the circle's radius?
• 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.
