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Y = 0.4x^2 + 2x + 2.5 Help!
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Y = 0.4x^2 + 2x + 2.5 Help!

User LearnRPG
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2 Answers

11 votes
Answer: I’m positively sure that it’s -2.5
User Danny Smith
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0 votes

Answer:

Explanation:

Are you trying to find the x-intercepts?

Pythagorean Theorem:

x = [-2 ±√(2^2-4(0.4)(2.5)]/[2(0.4)] = -2.5

User Qba
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