n8chellarspenga n8chellarspenga

19-05-2016
Mathematics

Answered

The only solution of the equation x^2 + bx + 16 = 0 is

x = 4. What is the value of b?

A.) b = –16

B.) b = –8

C.) b = 8

D.) b = 16

Verified Answer :

konrad509 konrad509

19-05-2016

\(4^2+b\cdot4+16=0\\ 16+4b+16=0\\ 4b=-32\\ b=-8\)

Answer Link

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