- A4
- B5
- C9
- D6
Step-by-Step Solution
No real roots means D < 0: 36 - 8k < 0 => 8k > 36 => k > 4.5. The smallest integer greater than 4.5 is 5. (k = 4 gives D = 4 > 0, which does have real roots.)
Answer: B) 5
The equation has no real roots.
The smallest integer value can take is:
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