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Likurg_2 [28]
3 years ago
14

Find a parametrization of the ellipse centered at the origin in the xy-plane that has major diameter 12 along the x-axis, minor

diameter 8 along the y-axis, and is oriented counter-clockwise. Use t as the parameter. It should change from 0 to 2*pi. Your parametrization should make the point (6,0) correspond to t = 0.
x(t) =
y(t) =
(0 <= t <= 2*pi).
Mathematics
1 answer:
lord [1]3 years ago
8 0

Answer:

x = 6 cos t

y = 6 sin t

where t varies from 0 to 2pi

Step-by-step explanation:

Given that an ellipse is centred at the origin in xy plane.

So equation would be of the form

\frac{x^2}{a^2} +\frac{y^2}{b^2} =1

Major axis =2a= 12

so a=6

Minor diameter = 8

b = 8/2 = 4

a=6 and b =4

Also (6,0) should correspond to t=0

So best parametrization would be

x = 6 cos t

y = 6 sin t

where t varies from 0 to 2pi

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3 years ago
Write the equation of the line in fully simplified slope-intercept form. y intercept = -2 (GIVE EXPLANATION)
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Answer:

See Below:

Step-by-step explanation:

So, first of all. to find the equation of the line, the equation has to be in y=mx+b form. In this for the following are:

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Solving

So, first of all, to find the equation of the line, we can get two points from the line, you can pick any points you want, but for this case, I will be using (0,-2) and (-2,0).

To solve for the slope, we can use rise over run to find the equation.

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Upon inserting our points into the equation, we get a slope of -1.

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To create the equation in y=mx+b form, we need to know what the intercept and the slope are, for which we solved above. We can now put in the things we found to get our final equation.

y=-1x-2

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Cheers!

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3 years ago
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