SOLUTION: How do you find an equation if all you know is m= -7/5 and the x intercept is 5?

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Question 4120: How do you find an equation if all you know is m= -7/5 and the x intercept is 5?

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Start with the slope-intercept form of the equation:
y = mx + b
Substitute: m = -7/5
y = (-7/5)x + b
The x-intercept is 5. This means that when y = o, then x = 5 Substitute these.
0 = (-7/5)(5) + b Now solve for b.
b = 7
Finally: The equation is: y = (-7/5)x + 7