P P.T.F.E Member Joined Nov 6, 2008 Messages 333 Gender Male HSC 2013 Mar 8, 2013 #1 For what values of m does the line y=m(x+1) have no intersection with the parabola y=2x^2
S study1234 Member Joined Oct 6, 2011 Messages 180 Gender Male HSC 2015 Mar 8, 2013 #2 y=mx+m. Equate with y=2x^2. You get 2x^2-mx-m=0. Find discriminant. For no solution (thus, no intersection), discriminant is negative. Then solve the inequality for m.
y=mx+m. Equate with y=2x^2. You get 2x^2-mx-m=0. Find discriminant. For no solution (thus, no intersection), discriminant is negative. Then solve the inequality for m.
