ClassesClass 9MathsNCERTLinear PolynomialsEnd of chapter ExQ 1
QUESTION 1 i Easy

Find the values of the following polynomial as the indicated values of the variables.
\(5x^2 − 3x + 7\) if \(x = 1\)

SOLUTION

\(\begin{aligned}5(1)^2 − 3(1) + 7 &= 5 − 3 + 7 \\ &= 9\end{aligned}\)
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Final Answer : 9

Concept Note

To find the value of a polynomial, substitute the given number in place of the variable and simplify.