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I need help and thanks in advance
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5 votes
I need help and thanks in advance

I need help and thanks in advance-example-1
User Jared Eitnier
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2 Answers

4 votes
Discriminant is b^2 -4ac. So it’s (10)^2 - 4 (-4)(-8) = 100 + 128 = 228. When the discriminant is greater than 0 and not a perfect square you have 2 real irrational roots.
User Josh Durham
by
8.5k points
7 votes

Explanation:

b²-4ac

(10)²-4(-4)(-8)

=100+16+32

=148

User Rhughes
by
7.9k points
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