I iamastar New Member Joined Jun 25, 2016 Messages 27 Gender Undisclosed HSC 2018 Jun 29, 2016 #1 How does -5/3 turn into 3/5 when finding the gradient?
D94 New Member Joined Oct 5, 2011 Messages 4,423 Gender Male HSC N/A Jun 29, 2016 #2 To find a line perpendicular to another line, the relationship between the gradients is: m1m2 = -1. If the gradient of a line is -5/3, then you need to multiply by 3/5 to get -1, so the perpendicular gradient is 3/5.
To find a line perpendicular to another line, the relationship between the gradients is: m1m2 = -1. If the gradient of a line is -5/3, then you need to multiply by 3/5 to get -1, so the perpendicular gradient is 3/5.
I InteGrand Well-Known Member Joined Dec 11, 2014 Messages 6,109 Gender Male HSC N/A Jun 29, 2016 #3 iamastar said: How does -5/3 turn into 3/5 when finding the gradient? Click to expand...
