Section 12.1 – Three-Dimensional Coordinate System
Exercises
Directions: You should try to solve each problem first, and then click "Reveal Answer" to check your answer. You can click "Watch Video" if you need help with a problem.
2. Find the center and radius of the sphere \[x^2+y^2+z^2-x+4y-10z = 1\]
\(C\left(\dfrac{1}{2}, -2, 5\right)\), \(\quad r = \dfrac{11}{2}\)
3. Find an equation of the sphere if one of its diameters has endpoints \((2,1,-3)\) and \((8,3,5).\)
\((x-5)^2+(y-2)^2+(z-1)^2=26\)