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Mathematics 7 Online
OpenStudy (anonymous):

help please i put perpendicular Determine if the lines that pass through the given points are parallel, perpendicular or neither. Line A: (-8, 8) and (-5, 10) Line B: (-7, 12) and (-5. 15)(Points : 2) Paralle Perpendicular Neither Cannot be determined

OpenStudy (anonymous):

@hartnn am i right please help

hartnn (hartnn):

oh, could u find slope of both the lines ?

hartnn (hartnn):

i am asking this because you are incorrect....

hartnn (hartnn):

The slope of the line through points (x1,y1) and (x2,y2) is given by : \(\huge m=\frac{y_1-y_2}{x_1-x_2}\) now,just put the values and find m for both the set of points.

OpenStudy (anonymous):

parallell

hartnn (hartnn):

if the lines are parallel, their slopes must be equal, are they equal ??

OpenStudy (anonymous):

could not be determined

hartnn (hartnn):

since u can find slopes, u can determine

OpenStudy (anonymous):

@hartnn

hartnn (hartnn):

yes ?

OpenStudy (anonymous):

was i right lol

hartnn (hartnn):

nopes. find slopes first using the formula

OpenStudy (anonymous):

neither?

OpenStudy (anonymous):

neither?

hartnn (hartnn):

i don't answer to guesses, calculate and tell me the slopes

OpenStudy (anonymous):

@hartnn IDK its confusing

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