Functions and Graphs
Functions and Graphs
Secondary 3
4 marks
Find the values of \(k\) for which \(x^2+6x+k=0\) has
two distinct real roots;
[2]one repeated real root;
[1]no real roots.
[1]
Solution:
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Answer:(a) \(k<9\)
(b) \(k=9\)
(c) \(k>9\)
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