SAT Math Practice Question #31955 - SATify | SATify
#31955
manipulation
formulas
completing the square
coordinate geometry
equations
circles
algebra
geometry
medium
75 sec
The graph of x2+10x+y2−4y=k in the xy-plane is a circle with a radius of 7. What is the value of k?
• 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.