anonymous
  • anonymous
8. The curve y^2=12x intersects the line 3y=4x+6 at two points. Find the distance between the two points. I got the wrong answer and I don't know why! Please help!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Mehek14
  • Mehek14
I just graphed both lines and they intersect at (0.75, 3) and (3,6)
Mehek14
  • Mehek14
http://prntscr.com/8fti5r

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anonymous
  • anonymous
Ok, I assumed that I wasn't allowed to graph anything but is that wrong then?
Mehek14
  • Mehek14
well you got 2 different points
Mehek14
  • Mehek14
\(\large{\bf{\sqrt{(3-0.75)^2+(6-3)^2}}}\)
anonymous
  • anonymous
Yeah but if I could just graph to get the two points it would probably be easier since I went so wrong with my calculations. So what I mean is, if I graphed to get those two points that would be allowed?
Mehek14
  • Mehek14
does it say in your instructions if you can or not?
anonymous
  • anonymous
not specifically. in the examples they give you before the questions, some of them say 'first draw a graph' but then they calculate it anyway
Mehek14
  • Mehek14
so yea I got the graph for you
anonymous
  • anonymous
Ok, that will be easier then. I just used the points you got and tried getting the length but I got the wrong answer? I got -3.94 instead of the correct answer which is 3.75
anonymous
  • anonymous
Oh nevermind I think I see where I went wrong, let me try again quick
Mehek14
  • Mehek14
how'd you get -3.94?
anonymous
  • anonymous
Oh apparently I changed one of the signs by accident. Whoops. I am getting the right thing now though. Sorry for all the trouble and thanks very much for your help!
Mehek14
  • Mehek14
yw ^_^

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