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18-03-2017
Mathematics

Answered

What is the discriminant of the equation?

3x^2 + 10x + 4 = 0

Question options:

19

52

148

-41

Verified Answer :

20-03-2017

The discriminant is the term under the radical sign in the quadratic formula.

x=(-b+-(b^2-4ac)^(1/2))/(2a)

It is the b^2-4ac part. (a,b,c from the standard quadratic of form ax^2+bx+c)

In this case:

10^2-434

100-48

52

Answer Link

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