How do you find the value of "b"?
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- Thread Starter
- 15-10-2017 15:17
- 15-10-2017 15:19
- 15-10-2017 15:23
Find the gradient between -2,0 and 6,6.
U know the two lines are perpendicular so the gradient between 3,b and 6,6 will be the negative reciporcal of the gradient u found out previously
U can then substitute 6,6 into y = mx +c To find the line equation
Then substitute 3 into the equation to get b