for what value of k,(-4) is a zero of the polynomial-z-(2k+2)
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for what value of k,(-4) is a zero of the polynomial-z-(2k+2)
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Answer:
k=1
Step-by-step explanation:
if -4 is a zero of -z- (2k+2)
=> if putting z= -4 it become to zero
=> -(-4)-(2k+2)= 0
=> 4-2k-2= 0
=> -2k= -2
=> k= 1
therefore for k=1 ,(-4) is a zero of the polynomial.