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What is the discriminant if the quadratic equation 0=-x2+4x-2

What is the discriminant if the quadratic equation 0=-x2+4x-2
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What is the discriminant if the quadratic equation 0=-x2+4x-2

User Pank
by
8.1k points

2 Answers

3 votes
The formula is

b^2 – 4(a)(c)

so

b^2 - 4(a)(c) = 4^2 - 4x (-1)x (-2) =
16 - 8 = 8

The answer is 8.
User Jovy
by
7.9k points
5 votes
Your discriminant is:
B^2 - 4AC = 4^2 - 4x (-1)x (-2) =
16 - 8 = 8

Your answer would be 8.
User Rafael Pedrosa
by
7.2k points
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