Question

Find the value of r so that the like passes through each lair of points has the given slope..

(r, 7), (11, 8), m= - 1
———
5

Answer 1

R would equal 16. If you had (16,7) and (11,8) to find the slope you would have to subtract the y-intercepts and x-intercepts. That means that you would do 7-8 over 16-11 or 8-7 over 11-16. This would leave you with the slope of -1/5. Therefore, r would equal 16.