OpenStudy (anonymous):

Determine whether the following lines are parallel, perpendicular, or the same line. y = x + 1 and y = - x – 14 Answer Parallel Perpendicular Same Line None of these

5 years ago
OpenStudy (anonymous):

i chose None of these ..am i right?

5 years ago
OpenStudy (amistre64):

your not not wrong :)

5 years ago
OpenStudy (anonymous):

perpendicular

5 years ago
OpenStudy (amistre64):

parallel have the same slope; these do not perps have the property that slope*slope = -1

5 years ago
OpenStudy (amistre64):

since 1*-1 = -1 these are perps

5 years ago
OpenStudy (anonymous):

perpendicular as the slope is the negative inverse in the two lines!!!

5 years ago
OpenStudy (amistre64):

another way to view it is if the dot product of the vector of the slopes =0 then they are perps 1, 1 -1, 1 ----- -1+1 = 0 ; they is perped

5 years ago
OpenStudy (anonymous):

so perpendicular?

5 years ago
OpenStudy (anonymous):

Is it peeerrrrpppeeennndddiiiccccuuullaaaarrr?

5 years ago
OpenStudy (anonymous):

of course it is many of us have said it???

5 years ago
OpenStudy (anonymous):

okae Lol well thanks .

5 years ago
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