js20588 js20588

26-10-2016
Mathematics

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What is the discriminant of 9x2 + 2 = 10x?

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26-10-2016

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ax^2+bx+c=0

disctirminant =b^2-4ac

9x^2-10x+2=0

a=9 b= -10 c=2

disctirminant = (-10)^2-4.9.2

disctirminant = 100-72

disctirminant = 28

x1= -(-10)+square root of28/2.9

x1=5+ square root of 7/9

x2= 5- square root of 7/9

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mistered602 mistered602

28-02-2020

Answer:

28

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