Question

Check whether x = −1/2 is a zero of p(x)=2x+1

Answer 1

Step-by-step explanation:

If x = 1/2 is a zero of polynomial p(x) = 2x + 1, then p(1/2) should be 0. As p ( 1 2 ) ≠ 0 , Therefore, x = 1/2 is not a zero of the given polynomial.

Answer 2

Answer:

Put x= -1/2 in p(x):--

p(-1/2)= 2( -1/2 ) +1

= -1 +1

=0

As, remainder is 0,So -1/2 is a zero of p(x)

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