Question

If 4 is a zero of the polynomial x^2-5x+k ,find the value of k and the other zero

Answer 1

here is the answer in attachment

Answer 2

x ^2-5x+ k
by remainder theorem
x= 4
put 4 in place of x
= 4^2-5×4+k=0
=16-20+k=0
=-4+k=0
=k=4
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