Question

Find an equation in slope-intercept form of the line that has slope –8 and passes through point (1,5)

Answer 1

Using the equation of the line 
y -yo = m (x-xo)

We substitute xo,yo and the slope

y -5 = -8(x-1) .....> y = -8x +8 +5 = -8x +13

y = -8x +13