Question

(7) Any graph which touches x-axis at two points has
zeroes
(8) If the given quadratic equation 2x2+2x+p=0 has equal roots, then p=
(9) If x=3 is one root of the quadratic equation x-2kx-6=0, then the value of k is
(10) If degree of polynomial p(x) is n. Then maximum no. Of zeroes of this polynomial is​

Answer 1

Answer:

7) 2 zero of polynomial

8) b^2 -4ac = 4 - 8p = 0

8p = 4

p = 1/2

9) 3 - 6k -6 = 0

k = -1/2

10) n zeros of poly..

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