MathDB
Number of Roots of an Equation

Source:

June 13, 2009

Problem Statement

The number of roots satisfying the equation \sqrt{5 \minus{} x} \equal{} x\sqrt{5 \minus{} x} is: <spanclass=′latex−bold′>(A)</span> unlimited<spanclass=′latex−bold′>(B)</span> 3<spanclass=′latex−bold′>(C)</span> 2<spanclass=′latex−bold′>(D)</span> 1<spanclass=′latex−bold′>(E)</span> 0 <span class='latex-bold'>(A)</span>\ \text{unlimited}\qquad <span class='latex-bold'>(B)</span>\ 3\qquad <span class='latex-bold'>(C)</span>\ 2\qquad <span class='latex-bold'>(D)</span>\ 1\qquad <span class='latex-bold'>(E)</span>\ 0
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