SOLUTION: Find the gradient of a line which is perpendicular to line y = -2x + 1 Explanation please. Thanks

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Question 1020758: Find the gradient of a line which is perpendicular to line y = -2x + 1
Explanation please. Thanks
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
y = -2x + 1
Gradient = -2
Lines that are perpendicular to
one another have gradients that
multiply together to give -1
m1 x m2 = -1
-2 x m2 = -1
m2 = -1/-2
m2 = 1/2
The gradient of the line
perpendicular to y = -2x + 1
is 1/2
hope this helps :-)