MathDB
Solution to an Equation in Terms of Constants

Source:

June 13, 2009

Problem Statement

A value of x x satisfying the equation x^2 \plus{} b^2 \equal{} (a \minus{} x)^2 is: (A)\ \frac{b^2 \plus{} a^2}{2a}\qquad (B)\ \frac{b^2 \minus{} a^2}{2a}\qquad (C)\ \frac{a^2 \minus{} b^2}{2a}\qquad (D)\ \frac{a \minus{} b}{2}\qquad (E)\ \frac{a^2 \minus{} b^2}{2}