The roots of x² + kx + k=0 are real and equal, find k.
(A) 0
(B) 4
(C) 0 or 4
(D) 2
Answers
Answered by
7
Answer:
HOPE IT IS USEFUL
Step-by-step explanation:
Answer
Given x2+kx+k
roots are real & equal
∴b2−4ac=0
=(k)2−4(1)(k)=0
=k2−4k=0
=k(k−4)=0
∴ k = 0 or k = 4
Answered by
1
Answer:
0 or 4 is the correct answer
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