Equal Roots of an Equation
Source:
February 1, 2009
quadraticsLaTeXalgebraquadratic formula
Problem Statement
In the equation \frac {x(x \minus{} 1) \minus{} (m \plus{} 1)}{(x \minus{} 1)(m \minus{} 1)} \equal{} \frac {x}{m} the roots are equal when
(A)\ m \equal{} 1 \qquad(B)\ m \equal{} \frac {1}{2} \qquad(C)\ m \equal{} 0 \qquad(D)\ m \equal{} \minus{} 1 \qquad(E)\ m \equal{} \minus{} \frac {1}{2}