algebra
posted by Dena on .
The circular path of cars on a ferris wheel can be modeled with the equation x^214x+y^2150y=49, measured in feet. What is the maximum height above ground of the riders.

write the circle equation in standard form by completing the square
x^2  14x + 48 + y^2  150y + 5625 = 49 + 49 + 5625
(x7)^2 + (y  75)^2 = 75^2
so the centre is at (7, 75) and the radius is 75
after making a sketch you should be able to answer the question