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Mathematics 11 Online
OpenStudy (anonymous):

A quadrilateral has vertices at A(–5, 5), B(1, 8), C(4, 2), D(–2, –2). Use slope to determine if the quadrilateral is a rectangle. Show your work.

OpenStudy (anonymous):

use the formula for slope to determine if the lines are parallel and perpendicular, do you know how to apply the formula?

OpenStudy (anonymous):

i dont kno how to do the formula ?

OpenStudy (anonymous):

okay |dw:1348954115634:dw|

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