Question

find the discriminate of the following equation 2x²+x-4=0​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

$\huge\bf{Answer :}$

$\huge{Discriminate = -7}$

Step-by-step explanation:

Given Equation :

$2 {x}^{2} + x - 4 = 0$

Solution :

Compare ${2x}^{2} + x - 4$ with ${ax}^{2} + bx + c = 0$

Hence,

• $a = 2$
• $b = 1$
• $c = - 4$

$\bold{Discriminate = {b}^{2} - 4ac}$

$D = {1}^{2} - 4(2)( - 4) \\ D = 1 - 8 + 16 \: \: \: \: \: \: \\ D = 1 - 8 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ D = - 7 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

Discriminate of the Equation Is $-7$

$\huge{Thanks}$