Question

What is an equation of the line with slope -4/5 and y-intercept 7?

Answer 1

The equation's formula:

`y - y1 = m(x - x1) \\`

Remember that y intercept's x coordinate=0

So:

`y - 7 = - (4)/(5) (x - 0) \\ y - 7 = - (4)/(5) x \\ y = - (4)/(5) x + 7 \: or \: y = - 0.8x + 7`

Good luck!

Intelligent Muslim,

From Uzbekistan.