Answer:
The equation's formula:
[tex]y - y1 = m(x - x1) \\[/tex]
Remember that y intercept's x coordinate=0
So:
[tex]y - 7 = - \frac{4}{5} (x - 0) \\ y - 7 = - \frac{4}{5} x \\ y = - \frac{4}{5} x + 7 \: or \: y = - 0.8x + 7[/tex]
Good luck!
Intelligent Muslim,
From Uzbekistan.
