SOLUTION: what is the y intercept of the line whose slope is 4 and which passes through the point (8,15) ?

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Question 665111: what is the y intercept of the line whose slope is 4 and which passes through the point (8,15) ?
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
Use the coordinate points and the slope to solve fo r b, the y-intercept.
...
Knowing y = mx+b is the linear equation format and using (8,15)
Solve for b
15 = 4(8) + b
15 = 32 + b
b = 15 - 32
b = -17
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The linear equation would be:
y = 4x - 17
..
graph%28300%2C200%2C-5%2C10%2C-20%2C5%2C4x-17%29
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