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Mathematics 15 Online
OpenStudy (anonymous):

giving medals!!!! Find the distance between the following pairs of points: (-3, 6), (3, 2)

OpenStudy (anonymous):

First let's label our points like this. Then I'll show you the distance formula. Point 1: (-3, 6) is (x, y) Point 2: (3, 2) is (x1, y1) You with me so far?

OpenStudy (anonymous):

So. x = -3 y = 6 x1 = ? y1 = ? Can you tell me what x1 and y1 equal so I know we are on the same page?

OpenStudy (anonymous):

a. 4i b.4 c sq root 20

OpenStudy (anonymous):

d sq root 2 13

OpenStudy (nincompoop):

do us a favor, use a graphing paper plot the points you are given then we can solve for the problem mathematically, but until you get the concept, it won't be much help

OpenStudy (anonymous):

true I understand ok :)

OpenStudy (nincompoop):

if you already understood the concept of solving for distances, then why do you need help?

OpenStudy (anonymous):

ill graph it

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

did you figure it out alyygirl?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

:/

jimthompson5910 (jim_thompson5910):

Hint: plot the two points to get what you see in the attached image

jimthompson5910 (jim_thompson5910):

finding the distance from A to B is the same as finding the length of the hypotenuse (of that right triangle)

OpenStudy (anonymous):

4

OpenStudy (anonymous):

?

jimthompson5910 (jim_thompson5910):

That's the vertical distance (shown here)

jimthompson5910 (jim_thompson5910):

That's not the distance you want. But it helps get you there.

OpenStudy (anonymous):

is sq root 20

jimthompson5910 (jim_thompson5910):

how are you getting that

OpenStudy (anonymous):

bvasue its my only choices or 2 sq root 13

OpenStudy (anonymous):

because

jimthompson5910 (jim_thompson5910):

well forget about the answer choices

jimthompson5910 (jim_thompson5910):

this is why multiple choice is completely useless when it comes to learning

OpenStudy (anonymous):

ok

jimthompson5910 (jim_thompson5910):

jimthompson5910 (jim_thompson5910):

Use the pythagorean theorem \[\Large a^2 + b^2 = c^2\]

OpenStudy (anonymous):

the other side is 6 as well

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