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Mathematics 9 Online
OpenStudy (anonymous):

In the standard (x,y) coordinate plane, lines ℓ and q are perpendicular. If line ℓ has the points (0,0) and (2,1), and line q has the points (2,1) and (0,t) ,what is the value of t? -3 -2 2 3 5

OpenStudy (anonymous):

whr r u stuck

OpenStudy (chihiroasleaf):

hint: two lines are perpendicular if the product of their slopes are -1

OpenStudy (anonymous):

nope, thats wrong

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