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Nature of Solutions Graphically

Draw a graph ...

Question

Draw a graph for the polynomial $p (x) = x^{2} + 3 x - 4$ and find its zeroes from the graph.

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Solution

Clearly, from figure graph of p(x) cut x-axis at $x = - 4, 1$
$\Rightarrow x = - 4, 1$ are zeros of p(x).

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