1.

If one zero of polynomial x^2-5x-k is 5,then the value of k is?​

Answer»

Answer:

0

Step-by-step EXPLANATION:

f(x)=x²-5x-k

If 5 is a zero of the POLYNOMIAL, then f(5) should be EQUAL to 0

f(5)=(5)²-5(5)-k

0=25-25-k

0=0-k

k=0



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