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Zeroes of a Polynomial

The zeros of ...

Question

The zero(s) of $p (x) = 5 x - 4$ is/are:

- 4

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5

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\frac{4}{5}

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- \frac{4}{5}

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Solution

The correct option is C $\frac{4}{5}$
$p (x) = 5 x - 4$
A linear polynomial has at most one zero and to find that we equate the polynomial to zero
$⟹ 5 x - 4 = 0$
$⟹ 5 x = 4$
$∴ x = \frac{4}{5}$ .

Therefore, option $C$ is correct.

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Question 9
Zero of the polynomial p(x) = 2x + 5 is

A) $- \frac{2}{5}$
B) $- \frac{5}{2}$
C) $\frac{2}{5}$
D) $\frac{5}{2}$

p (x)

1 + \sqrt{5}

1 - \sqrt{5}

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