QUADRATIC EQUATIONSAlgebraThe roots of this quadratic equation are found by setting the two factors equal to zero and solvingthe resulting equations.x = 0 (2-6)x = - (2-7)baThus, the roots of a quadratic equation in which the numerical constant c is zero are x = 0 andx = - .baExample:Find the roots of the following quadratic equation.3x2 + 7x = 0Solution:Using Equation 2-6, one root is determined.x = 0Using Equation 2-7, substitute the values of a and b and solve for x.x = -bax = -73Thus, the roots are x = 0 and x = - .73MA-02 Page 24 Rev. 0
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