Another ? for ya...

[ToOtSiE_PoP]

Ok..when the question says to find the slope of a line perpindicular to each line..like y=4x+7, do I simply write the reciprocal, 1/4?

 

[Gene]

Close, its the negative of the reciprocal. Think about a slope of 1. The perpendicular would have slope -1, not 1.