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Mathematics 8 Online
OpenStudy (anonymous):

Find an equation of the circle that contains the points P (2,3) and Q (-1,8) and has the midpoint of the segment PQ as its center.

OpenStudy (precal):

use the midpoint formula

OpenStudy (precal):

add your x's and divide by 2 add your y's and divide by 2

OpenStudy (anonymous):

how do you find the equation of the circle though?

OpenStudy (precal):

you need the center first, in this case that is the midpoint

OpenStudy (anonymous):

the midpoint is 1/2, 11/2 right?

OpenStudy (precal):

|dw:1351119280885:dw|

OpenStudy (precal):

|dw:1351119325163:dw|

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