SOLUTION: A line passes through the point (4,5) and has a slope of 2 . Write an equation for this line.

Algebra ->  Linear-equations -> SOLUTION: A line passes through the point (4,5) and has a slope of 2 . Write an equation for this line.       Log On


   

Question 769995: A line passes through the point (4,5) and has a slope of 2 . Write an equation for this line.



Answer by kmadison(20) About Me  (Show Source):
You can put this solution on YOUR website!
Remember the formula for point-slope form: y+-+y1+=+m%28x+-+x1%29 where m is the slope of the line, and (x1, y1) is our reference point.
In your problem, m = 2, x1 = 4, y1 = 5
y+-+5+=+2%28x+-+4%29
Now just solve for y:
y+=+2x+-+8+%2B+5 or, more simply, y+=+2x+-+3