Complete the equation of the line through

Question

Complete the equation of the line through (1,4) (2,2) .Use exact numbers.

Answer 1

for points (1,4) & (2,2) the slope is (2-4)/(2-1) = -2

the line equation is therefore y - 2 = -2(x-2) = -2x + 4

or y = -2x + 6