Question #b248c

1 Answer
Apr 24, 2017

y=x+6

Explanation:

A line at 45o has a gradient of 1 as equal increments in x give equal increments in y.

For two perpendicular lines the products of their gradient is 1
m1m2=1

As m1=1 it follows that m2=1.

Now use the formula
yy1=m(xx1)
to find the equation of the line

y0=1(x6)
y=x+6