Question

Write a function in the form y=mx+b for the line that contains the points (2, 4) and(5, 10).

Answer 1

Explanation:

gradient=∆y/∆x

=(10-4)/(5-2))

=6/3

=2

(x,y) (2,4)

y-4/x-2=2

y-4=2(x-2)

y=2x-4+4

y=2x