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Mathematics 9 Online
OpenStudy (ksksksks):

What is true about the solutions of a quadratic equation when the radicand of the quadratic formula is zero? No real solutions Two identical rational solutions Two different rational solutions Two irrational solutions

OpenStudy (mww):

Write down the quadratic equation \[x = \frac{ -b \pm \sqrt{b^2 - 4ac} }{ 2a }\] The radical (Sqrt) bit is zero. What does x become?

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