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How to Prove that a Quadratic Function is Always Positive (or Negative)
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In this video I will teach you a simple method you can use to prove that a quadratic function is always positive. I will also at the same time explain how you can prove that a quadratic function is always negative. It is actually the same method.
This video will help with your understanding of parabolas, the quadratic formula and the discriminant.
This video will help with your understanding of parabolas, the quadratic formula and the discriminant.
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