On February 11, the temperature was -4 Degrees F in Denver,and in Miami the temperature was 65 Degrees F. How much warmer was it
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Answer:
Step-by-step explanation:
Any point on a given parabola is equidistant from focus and directrix.
Given:
Focus of the parabola is at .
Directrix of the parabola is .
Let be any point on the parabola. Then, from the definition of a parabola,
Distance of from focus = Distance of
from directrix.
Therefore,
Squaring both sides, we get
Hence, the equation of the parabola is .