anonymous
  • anonymous
Find the distance between the points to the nearest tenth. 6. L(4, 11),M(3, 4)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@Luigi0210
jdoe0001
  • jdoe0001
\(\bf \text{distance between 2 points}\\ d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}\)
anonymous
  • anonymous
what?

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Luigi0210
  • Luigi0210
Isn't that the formula?
anonymous
  • anonymous
idk i never seen that before
anonymous
  • anonymous
@Jasmineflvs
anonymous
  • anonymous
@Luigi0210
anonymous
  • anonymous
@littlenugget
littlenugget
  • littlenugget
yes, you would do the formula that @Luigi0210 put. So you would just plug in the coordinates. (x1, y1) = (4,11) (x2,y2) =(3,4)
littlenugget
  • littlenugget
It's the distance formula
littlenugget
  • littlenugget
i meant what @jdoe0001 put
anonymous
  • anonymous
ok so like
anonymous
  • anonymous
|dw:1377818927049:dw|
anonymous
  • anonymous
idk i am getting so stressed over this
littlenugget
  • littlenugget
\[d=\sqrt{(3-4)^{2}+(4-11)^{2}}\] Don't worry, it's really simple after you get used to it. ;) See how i plugged the coordinates in? the first thing you are going to want to do is solve the things in the parenthesis, (3-4) and (4-11) so what would you get?
anonymous
  • anonymous
so 3-4= -1 and 4-11= -7 and -1*-1= 1 and -7*-7= 49?
anonymous
  • anonymous
and when you add them you get 48?
anonymous
  • anonymous
when rounded you get 50?
littlenugget
  • littlenugget
Yes!!!! :DDDD you'll have: \[\sqrt{50}\]
littlenugget
  • littlenugget
Now all you have to do is plug it into the calculator and see the decimal it gets, then round it to the nearest tenth
anonymous
  • anonymous
ok something went wrong when i copy and paisted the problem: so the problem is L(-4, 11),M(-3, 4) how would i plug it in???
anonymous
  • anonymous
likee
anonymous
  • anonymous
thats the same thing right?
littlenugget
  • littlenugget
ohhh ok, yeah you would plug it in the same way as the last one.
anonymous
  • anonymous
so the answer is still 50?
littlenugget
  • littlenugget
nope, because the new one you posted have negatives :( so we're going to need to plug it in again: \[d=\sqrt{(-3+4)^{2}+(4-11)^{2}}\]
littlenugget
  • littlenugget
remember that the first step is to solve inside the parentheses, so what would we get?
anonymous
  • anonymous
but 11 isnt negative??
anonymous
  • anonymous
4 and 4 is so wouldnt it be? (-3+4) second power + (-4+ll) second power?
littlenugget
  • littlenugget
L(-4, 11),M(-3, 4) L(x1,y1), M(x2,y2) https://www.google.com/search?q=distance+formula&source=lnms&tbm=isch&sa=X&ei=TN0fUsvXBMissQSbxoCABA&ved=0CAcQ_AUoAQ&biw=1600&bih=839#facrc=_&imgdii=_&imgrc=egwJwmIB4xPz3M%3A%3B4zBAEbfaLEw5tM%3Bhttp%253A%252F%252Fgeometry.jdeer.com%252FImages%252Fc1%252Fdistance%252520formula.gif%3Bhttp%253A%252F%252Fgeometry.jdeer.com%252FL1_8.htm%3B923%3B202 See how it's plugged in?
anonymous
  • anonymous
oh yeaa
littlenugget
  • littlenugget
so that's why the 11 and the four isn't negative ;)
littlenugget
  • littlenugget
so now lets just solve what's inside the parentheses :) \[d=\sqrt{(-3+4)^{2}+(4-11)^{2}}\]
anonymous
  • anonymous
ok so i it would be - 48?
littlenugget
  • littlenugget
\[d=\sqrt{(1)^{2}+(-7)^{2}}\]
anonymous
  • anonymous
ohhh 50
littlenugget
  • littlenugget
yep haha i guess it was the same as the last xD sorry! but don't forget to plug it into the calculator to get the decimal!
anonymous
  • anonymous
ok what would i plug into my calculator to get the decimal?
anonymous
  • anonymous
so its 7.07?
littlenugget
  • littlenugget
yes! but you're rounding it to the tenth, which is the first number to the right of the decimal, so now it would be _____
anonymous
  • anonymous
so its 7.1???
littlenugget
  • littlenugget
Yep! That's it!!! :D
littlenugget
  • littlenugget
Do you understand everything?
anonymous
  • anonymous
woo thank you so much
littlenugget
  • littlenugget
Anything you want me to clarify?
anonymous
  • anonymous
yes now i do thx :) nah i think i got it from here ill notify if i need anything else ;)
littlenugget
  • littlenugget
Yeah!!!! :DDDDDD haha no prob, anytime ;)

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