Question

Write the equation of the line in slope-intercept form that passes through

the points (1, -1) and (3, 17).

Answer 1

y=9x-10

Explanation:

m=(y2-y1)/(x2-x1)

m=(17-(-1))/(3-1)

m=(17+1)/2

m=18/2

m=9

y-y1=m(x-x1)

y-(-1)=9(x-1)

y+1=9x-9

y=9x-9-1

y=9x-10