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19-10-2020
Mathematics

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What is the discriminant of the quadratic equation: (multiple choice)

What is the discriminant of the quadratic equation multiple choice class=

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19-10-2020

Answer:

85

Step-by-step explanation:

The equation for the discriminant is

b^2-4(a)(c)

Plug your numbers in from the equation.

1=a, -7=b, -9=c

(-7)^2-4(1)(-9)

49-(-36)

49+36

85

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