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Mathematics 9 Online
OpenStudy (anonymous):

Can two lines intersect and be perpendicular? Draw a picture to explain.

OpenStudy (alexwee123):

yes |dw:1336954370627:dw|

OpenStudy (anonymous):

I mean the curve thing is called perpendicular and on the bottom one I am confused about?

OpenStudy (alexwee123):

by "curve" do you mean the slope? :/

OpenStudy (anonymous):

yes

OpenStudy (alexwee123):

|dw:1336954925535:dw| If the slope of one line is m, the slope of the other is -1/m to be perpendicular

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