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Mathematics 15 Online
OpenStudy (anonymous):

What is the distance between P(12, 11) and Q(5, 1)?

OpenStudy (anonymous):

use the distance formula (pythagorean theorem)

OpenStudy (anonymous):

if you start at P, what's the change in x to get to Q?

OpenStudy (anonymous):

-7

OpenStudy (anonymous):

okay, again starting at P, what's the change in y to get to Q?

OpenStudy (anonymous):

-10

OpenStudy (anonymous):

if you take the absolute value of those, they are the legs of a right triangle. the length of the hypotenuese is the distance between P and Q

OpenStudy (anonymous):

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