Zero of the polynomial px-2 x-5 isa -25b -52c 25d 52

The zero of the polynomial nbsp;p(x) can be obtained by putting nbsp;p(x) = 0. px=0 #8658;2x+5=0 #8658;2x= 5 #8658;x= 52 Hence, the correct answer i ...

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Standard IX

Mathematics

Zeroes of a Polynomial

Zero of the p...

Question

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

(a) $\frac{- 2}{5}$

(b) $\frac{- 5}{2}$

(c) $\frac{2}{5}$

(d) $\frac{5}{2}$

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Solution

The zero of the polynomial p(x) can be obtained by putting p(x) = 0.

$p (x) = 0 \Rightarrow 2 x + 5 = 0 \Rightarrow 2 x = - 5 \Rightarrow x = - \frac{5}{2}$
Hence, the correct answer is option (b).

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Similar questions

Q. Zero is the polynomial p(x) = 2 − 5x is
(a)

\frac{2}{5}

(b)

\frac{5}{2}

(c)

\frac{- 2}{5}

(d)

\frac{- 5}{2}

Zero of the polynomial p(x)=2x+5 is
(a) $\frac{- 2}{5}$
(b) $\frac{- 5}{2}$
(c) $\frac{2}{5}$
(d) $\frac{5}{2}$

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

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

Q. Find the zero of polynomial

p (x) = 2 x + 5

Zero of the polynomial $p (x) = 2 x + 5$ is:

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Zero of the polynomial p(x) = 2x + 5 is (a) -25 (b) -52 (c) 25 (d) 52

The zero of the polynomial p(x) can be obtained by putting p(x) = 0. px=0⇒2x+5=0⇒2x=-5⇒x=-52 Hence, the correct answer is option (b).

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

(a) $\frac{- 2}{5}$

(b) $\frac{- 5}{2}$

(c) $\frac{2}{5}$

(d) $\frac{5}{2}$

The zero of the polynomial p(x) can be obtained by putting p(x) = 0.

$p (x) = 0 \Rightarrow 2 x + 5 = 0 \Rightarrow 2 x = - 5 \Rightarrow x = - \frac{5}{2}$
Hence, the correct answer is option (b).