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Monday, October 31, 2005

Analytic Geometry Assignment

Here it is!

If you need a little help with this stuff here is another tutorial for you. (Important: Gradient is another word for slope. And the stuff about the area of a polygon is cool, but we don't study that in our course -- go ahead and learn it if you like!) If you think you understand this stuff take this quiz from the end of that tutorial.

Also, check out my previous post if you haven't already.

Mr. K.


At 10/31/2005 9:45 PM, Anonymous Anonymous said...

Alright I'm stuck on the first one

At 10/31/2005 10:45 PM, Blogger Mr. Kuropatwa said...

Solve the equation of the line for y like this:

y = -2x + 5

Then replace the "y" in the equation of the circle with -2x + 5; like this:

(x-2)^2 + (-2x + 5 + 1)^2 = 25

Then solve for x. You'll get two answers. Use the equation of the line (y = -2x + 5) to find the corresponding y-coordionate for each x-coordinate.

At 11/01/2005 10:28 PM, Anonymous Anonymous said...

ok then, that method tells me the answer but it does not tell me why that is the answer. Why would you put the y to the equation of the line.

At 11/01/2005 10:29 PM, Anonymous Anonymous said...

nevermind.... I got it as soon as i published that...

At 11/01/2005 10:41 PM, Anonymous Anonymous said...

Wow! The first question I didn't get (but now I see how to get it), but the rest i got. Good assignment Mr. K. it really got me thinking!


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