Question

verify that -$\frac{1}{2}$is a zero of the polynomial q(x)=2x+1

Answer 1

q(x)=2x+1

q(-1/2)=2×(-1/2)+1

q(-1/2)=-1+1

q(-1/2)=0

q=0×2/1

q=0

Therefore,when insert given value -1/2 in given polynomial we get the value is 0

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