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NDA 2010
Exam
NDA
Year
2010
Subject
Mathematics
Chapter
Quadratic Equation

NDA 2010 · Mathematics · Quadratic Equation

If the equations x^2+k x+64=0 and x^2-8 x+k=0 have real roots, then...

If the equations x2+kx+64=0x^2+k x+64=0 and x2−8x+k=0x^2-8 x+k=0 have real roots, then what is the value of kk ?

Options

  1. A4
  2. B8
  3. C12
  4. D16

Correct answer

D. 16

Step-by-step solution

The correct answer is option (D).
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