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How to find y-intercept from a perpendicular line?
I think my question was poorly phrased .. I'm sorry!
My teacher rushed through things and I missed that part.
Here is the question:
Write an equation of a line that passes through each point and is perpendicular to each line:
a) y = 3x + 5, (9,5)
I only got as far as y = -1/3x
But I don't know how to get the y-intercept, as the answer has to be in y = mx + b form ...
Thank you so much if you could explain how to find the y-intercept! ThankYou ThankYou ThankYou!
2 Answers
- 8 years agoFavorite Answer
You plug in your points for your x and y in the y=mx+b form yo find your b then write the new equation...when you plug it in it should look like 5=-1/3(9)+b
Source(s): I know algebra
