1.

for what value of k ,(-4) is the zero of polynomial x2-x-(2k+2)

Answer» Thanks
Zero of the polynomial is -4p(x) =x² - x - (2k + 2)p(x) = x²-x-2k-2p(-4)=00=-4²-(-4)-2k-20=16+4-2k-20=18-2k2k=18k=18/2=9
k=9


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