Question

Find the value of k for which x² +kx+16=0 has equal roots

Answer 1

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Answer 2

Answer: 8

Step-by-step explanation

The roots are euqal

:.b2^-4ac=0

Copmpair equation with standerd form

a=1. ,b=k ,c=16

K2^-4*1*16=0

K2.^=64

Sqare root on both sides

k =8