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1.5.3 Quadratic functions

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Question 6
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The equation (k+5)x2+4x+(k+2)=0(k + 5)x^2 + 4x + (k + 2) = 0(k+5)x2+4x+(k+2)=0, where k k\,k is a constant has two distinct real solutions for xxx.

Find the set of possible values for kkk.

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1.5.3 Quadratic functions Questions

  1. A Level
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  3. /1.5.3 Quadratic functions