Question

Write the equation of the line that contains the given point and has the given slope.

(4, –10), slope is –5

Answer 1

you have to say
-10= 4*-5 a

a=10
the equation is
y=-5x + 10

Answer 2

use point slope form: (Y-Y1)=slope(X-X1)
so (y+10)=-5(x-4)