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Quadratic Polynomial

Classify the ...

Question

Classify the following as linear, quadratic and cubic polynomials
$5 x^{2} + x - 7$

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Solution

Solution:-
$5 x^{2} + x - 7 = 5 x^{2} + x^{1} - 7 x^{0}$
Highest power $= 2$
Hence, degree is $2.$
Hence, the equation is quadratic.

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