anonymous
  • anonymous
I asked a ? earlier and I still do not understand it could someone please help...Find the distance between these 2 points (-3,5) & (6,-2). Be sure that the answer is simplified and in radical form. Show all work.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Hero
  • Hero
Plot the points and use pythagorean theorem or distance formula
anonymous
  • anonymous
thats what the last person told me and apparently i am not doing something right
Hero
  • Hero
You have graph paper right?

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anonymous
  • anonymous
no i am doing it all on computer
Hero
  • Hero
Do you have a graphic plotting device on your computer?
anonymous
  • anonymous
no we are not allowed to do it that way. I meant my assignment is on computer. I am having to do it all on paper and show all of my work
Hero
  • Hero
you shouldn't do math without graph paper handy. Math 101
anonymous
  • anonymous
ok I will remember that....i have the distance formula as sqrt((x2-x1)^2+(y2-y1)^2) but I do not know how to put everything into that formula or where to go from there
Hero
  • Hero
Label the points and plug them in. It's easy
anonymous
  • anonymous
ok let me see here give me a sec.
anonymous
  • anonymous
when it comes to x1 and x2 does it matter which x # I put where
Hero
  • Hero
yes it does
Hero
  • Hero
label your points like this: (x1,y1) (x2, y2)
anonymous
  • anonymous
ok so I would insert -3 in the x2 spot right
anonymous
  • anonymous
ok now im confused
Hero
  • Hero
okay, let me show you
Hero
  • Hero
(x1,y1) = (-3,5) (x2,y2) = (6,-2) Is that clear enough?
anonymous
  • anonymous
so when it says x2 or y2 that just means its place and not to the 2nd power
Hero
  • Hero
yes, correct
anonymous
  • anonymous
ok give me a sec
anonymous
  • anonymous
Ok when I plug them all in I got sqrt((6-(-3))^2+(-2-(-5)^2=(3)^2+(3)^2=9+9=81
Hero
  • Hero
You did something wrong. For that first one (6-(-3)^2 = (6+3)^2 = 9^2, not 3^2
Hero
  • Hero
This is why graphing method is better
Hero
  • Hero
But also 9+9 = 18 , not 81. You're supposed to add at the end not multiply
anonymous
  • anonymous
Ok so the 2nd 1 would be (-2-(-5)^2=(7)^2=14
Hero
  • Hero
You had the second one right already ....face palm :P
Hero
  • Hero
(-2-(-5))^2 = (-2+5)^2 = (3)^2 = 9
anonymous
  • anonymous
so my points would be (18,9)
Hero
  • Hero
You're not trying to find anymore points. You're trying to find DISTANCE
anonymous
  • anonymous
ok so what do i have to do from here
Hero
  • Hero
Basically, when you calculated it the first time, you made a couple of adding mistakes. That's all. Try it again.
Hero
  • Hero
And post your steps just like last time. Just be more careful
anonymous
  • anonymous
what do you mean
Hero
  • Hero
i meant for you to try to calculate it again. But try to add correctly this time.
anonymous
  • anonymous
it would b 6 and not 9
Hero
  • Hero
the answer is d = 3root(10). Try to figure out how I got that
anonymous
  • anonymous
that would be 130

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