Asked by Garry
As seismological station is located at (0,-4) 4 kilometers away from a straight shoreline where the x-axis runs through. The epicenter of the earthquake was determine to be 10 kilometers away from the station.
a. Find the equation of the curve that contains the possible location of the epicenter.
b. If furthermore, the epicenter was determined the be 7 kilometers away from the shore, find it's coordinates.
a. Find the equation of the curve that contains the possible location of the epicenter.
b. If furthermore, the epicenter was determined the be 7 kilometers away from the shore, find it's coordinates.
Answers
Answered by
Steve
recall that the equation for a circle with center at (h,k) and radius r is
(x-h)^2 + (y-k)^2 = r^2
Here, you have the station as the center, and the radius of the circle is 10.
(a) So just plug in your numbers.
(b) Now pick a point on that circle with y-coordinate of -7 (why not +7?)
(x-h)^2 + (y-k)^2 = r^2
Here, you have the station as the center, and the radius of the circle is 10.
(a) So just plug in your numbers.
(b) Now pick a point on that circle with y-coordinate of -7 (why not +7?)
Answered by
Garry
Thank you
Answered by
Cris
Sorry can u collaborate more of your answer. I don't get itðŸ˜
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