Question

Complete the following activity to find the value of discriminant for

quadratic equation 4x2 – 5x + 3 =0​

Answer 1

Step-by-step explanation:

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10th

>Maths

>Quadratic Equations

>Solutions of Quadratic Equations

>Solve the equation 4x^2 - 5...

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Solve the equation 4x

2

−5x−3=0.

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Solution To Question ID 728353

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We have given,

4x

2

−5x−3=0

We know that,

x=

2a

−b±

b

2

−4ac

Where,

b=−5

a=4

c=−3

∴x=

2(4)

5±

(5)

2

−4(4)(−3)

x=

8

5±

73

∴x

1

=

8

5−

73

and x

2

=

8

5+

73

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Answer 2

Step-by-step explanation:

b^2-4ac = (-5)^2-(4*4*3) =25 - 48 = -23