Question

find the value of p from the polynomial x^2 + 3x + p, if one of the zeroes of the polynoimial is 2.

Answer 1

Here's the solution. Hope it's helpful for you.

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Answer 2

Answer.

Let the given quadratic polynomial be p(x) = x2 + 3x + p Given one of the zero of the quadratic polynomial is 2. Hence q(2) = 0 Put x = 2 in q(x), we get q(2) = 22 + 3(2) + p ⇒ 0 = 4 + 6 + p ⇒ 0 = 10 + p

∴ p = – 10