Match the following:
Column – I
Column – II
A) $f (x) = x^{2} + 2 x + 8$
p) positive integral roots
B) $f (x) = x^{2} + 4 x - 1$
q) Min $(f (x)) = 7$
C) $x^{2} + 6 x + 5 = 0$
r) Max $(f (x)) = 3$
D) $x^{3} - 6 x^{2} + 11 x - 6 = 0$
s) negative integral roots

Question

Match the following:

Column – I	Column – II
A) $f (x) = x^{2} + 2 x + 8$	p) positive integral roots
B) $f (x) = x^{2} + 4 x - 1$	q) Min $(f (x)) = 7$
C) $x^{2} + 6 x + 5 = 0$	r) Max $(f (x)) = 3$
D) $x^{3} - 6 x^{2} + 11 x - 6 = 0$	s) negative integral roots

TestHub · Accepted Answer

(a) coefficient x 2 is + ve min ( f ( x )) = 4 a 4 a c − b 2 ​ = 7 (b) coefficient x 2 is + ve max ( f ( x )) = 4 a 4 a c − b 2 ​ = 3 (c) roots are − 5 , − 1 (d) The roots are 1,2,3, only +ve integral roots.

Mathematics - Quadratic Equation Question with Solution | TestHub

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