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Find the discriminant. x2–3x–9=0
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25 votes
Find the discriminant.
x2–3x–9=0

User Eli Zatlawy
by
7.6k points

1 Answer

3 votes

Answer:

45

Explanation:

The discriminant is b^2 - 4(a)(c) so just plug all the values in.

(-3)^2 - 4(1)(-9) = 45

User Vincent Williams
by
7.1k points
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