The value of k for which – 5 is a root of 2x2 + px – 15 = 0 and the quadratic equation p(x2 + + k = 0 has equal roots is
A. \(\frac{3}{2}\)
B. \(\frac{3}{7}\)
C. \(\frac{7}{4}\)
D. \(\frac{1}{4}\)
Answer:C
The value of k for which – 5 is a root of 2x2 + px – 15 = 0 and the quadratic equation p(x2 + + k = 0 has equal roots is
A. \(\frac{3}{2}\) B. \(\frac{3}{7}\) C. \(\frac{7}{4}\) D. \(\frac{1}{4}\)