Question

Show that the origin and p(7,4) are equidistant from the line l:y=-4x/3+20/3

Answer 1

as several times before,

recall that the distance of point (h,k) from Ax+By+C=0 is
|Ah+Bk+C|/√(A^2+B^2)
so now just plug and chug

post your work if you get stuck.

Answer 2

Give me the answer