If the graphs of and are to meet at right angles, then the value of is: -6, 6, , - or - ?
Follow Math Help Forum on Facebook and Google+
Originally Posted by foreverbrokenpromises If the graphs of and are to meet at right angles, then the value of is: -6, 6, , - or - ? your first eqn is ? its slope slope of second line if the two lines are perpendicular then their slopes will be negative reciprocal of each other.
View Tag Cloud