if 5 is zero of quadriatic polynomial xsquare – kx – 15 then find the value of k Question if 5 is zero of quadriatic polynomial xsquare – kx – 15 then find the value of k in progress 0 Math Raelynn 6 days 2021-11-26T03:09:13+00:00 2021-11-26T03:09:13+00:00 1 Answer 0 views 0

## Answers ( )

Answer:x=5

putting x in equation

p(x)=x^2-kx-15=0

=(5)^2-k(5)-15=0

=25-5k-15=0

=10-5k=0

=-5k=-10

=k=-10/-5

=k=2

Value of k is 2

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