Question

verify whether the values of x given in each case are the zeroes of the polynomial or not f(x)=2x-1,x=1/2,-1/2​

Answer 1

Answer:

Step-by-step explanation:

F(x) = 2x - 1

x = 1/2 , -1/2

x = 1/2

F(1/2) = 2(1/2) - 1

= 1 - 1

= 0

0 ≠ 0

x = -1/2

F(-1/2) = 2(-1/2) - 1

= -1 - 1

= -2

-2 ≠ 0

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Answer 2

x=1/2 is a root of given polynomial.

Step-by-step explanation:

f(x)=2x-1

if x=1/2,

f(1/2)=2(1/2)-1

=1-1

=0

f(1/2)=0; therefore 1/2 is a root of the polynomial

f(-1/2)=2(-1/2)-1

=-1-1

=-2

f(-1/2)≠0;Hence -1/2 is not a root of the polynomial.