Conic Sections

Question

Earth orbits the sun in an elliptical pattern. The equation of Earth's path is (x+2.5)^2/22350.25 + y^2/22344=1 where the measurements represent millions of kilometers. The sun is located at the focus whose coordinate is (0,0). In January, Earth is located at one of the vertices, which is 147 million kilometers from the sun. Determine Earth's distance from the sun in July.

a. 147 million kilometers
b. 149.5 kilometers
c. 152 million kilometers
d. 154.5 million kilometers

Answer 1

152.1 million kilometers so c is best answer