For the expression f(x) = a $x^{2}$ + bx + c, (a > 0), the condition for both real roots of f(x) to be greater than (or) lesser than a real value M is,

f(M) > 0

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f(M) < 0

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f(M) ≥ 0

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f(M) ≤ 0

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Solution

The correct option is A
f(M) > 0

As a > 0, graph of f(x) is cup shaped parabola.

For M to be less than both roots (or) greater than both roots see that f(M) > 0

So, option A is true

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For the expression f(x) = a x2 + bx + c, (a > 0), the condition for both real roots of f(x) to be greater than (or) lesser than a real value M is,

The correct option is A f(M) > 0 As a > 0, graph of f(x) is cup shaped parabola. For M to be less than both roots (or) greater than both roots see that f(M) > 0 So, option A is true

For the expression f(x) = a $x^{2}$ + bx + c, (a > 0), the condition for both real roots of f(x) to be greater than (or) lesser than a real value M is,

The correct option is A
f(M) > 0

As a > 0, graph of f(x) is cup shaped parabola.

For M to be less than both roots (or) greater than both roots see that f(M) > 0

So, option A is true