The discriminant of the equation 2 x 2-5 x -3-0 is -A- 41B- 51C- 45D- 49

The correct option is D 49 Given: nbsp;2x^2 5x 3 = 0 Comparing the equation with standard form ax^2 + bx + c we get a = 2, b = 5, c = 3 D = b^2 ndas ...

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Discriminant

The discrimin...

Question

The discriminant of the equation $2 x^{2} - 5 x - 3 = 0$ is = ___.

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Solution

The correct option is B
49

Given: $2 x^{2} - 5 x - 3 = 0$

Comparing the equation with standard form $a x^{2} + b x + c$ we get a = 2, b = -5, c = -3

$D = b^{2} - 4 a c$

= $(- 5)^{2} - 4 \times 2 \times (- 3) = 25 + 24 = 49$

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The discriminant of the equation 2x2−5x−3=0 is = ___.

The correct option is B 49 Given: 2x2−5x−3=0 Comparing the equation with standard form ax2+bx+c we get a = 2, b = -5, c = -3 D=b2–4ac = (–5)2–4×2×(–3)=25+24=49

The discriminant of the equation $2 x^{2} - 5 x - 3 = 0$ is = ___.

The correct option is B
49

Given: $2 x^{2} - 5 x - 3 = 0$

Comparing the equation with standard form $a x^{2} + b x + c$ we get a = 2, b = -5, c = -3

$D = b^{2} - 4 a c$

= $(- 5)^{2} - 4 \times 2 \times (- 3) = 25 + 24 = 49$