# Recent questions tagged discriminant

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Prove that, for all values of $x$, $x^{2}+4 x+12>x+3$
Prove that, for all values of $x$, $x^{2}+4 x+12>x+3$Prove that, for all values of $x$, \ x^{2}+4 x+12&gt;x+3 \ ...
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How will I prove that the roots of $m(x^2-1)=5x$ are real for all real values of $m, (m\neq0)$?
How will I prove that the roots of $m(x^2-1)=5x$ are real for all real values of $m, (m\neq0)$?This question is from the gr.11 CAPS syllabus under the section Nature of the Roots. The question in Latex (using the provided tools): How will I pr ...
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What is linear discriminant analysis in credit scoring?