If one of the zeroes of the quadratic polynomial x^2 + 3x + k is 2, then the value of k is:... | MCQ 1m | Maths | SuperPadhai

Polynomials > Question

MCQ1 markYear: 2020EasyCBSE Class 10

polynomialszeroes

Question

If one of the zeroes of the quadratic polynomial

x^{2} + 3 x + k

is

2

, then the value of

k

is:

Solution

1

If

2

is a zero:

p (2) = 4 + 6 + k = 0 \Rightarrow k = - 10

+1 mark

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