Question

the discriminant of the equation 2x-5x+4=0

Answer 1

Answer:

d=b^2-2ac

here b is -5,a is 2,c is 4

(-5)^2-2(2)(4)

25-2(8)

25-16

9

so disrminant is +9roots are real and distinct

Answer 2

Answer:

since it is not a quadratic equation, it doesn't have a discriminant

Step-by-step explanation:

assuming a=2x², discriminant=-7

d=b²-4ac

a=2,b=5,c=4

=5²-4(2)(4)

=25-32

=-7

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