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Y - 5 = 0.5x2 + 6x - 3 How many x-intercepts does this have? update!!! the answer is 2
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Dec 13, 2018
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Y - 5 = 0.5x2 + 6x - 3 How many x-intercepts does this have?
update!!! the answer is 2
Mathematics
middle-school
Glen Hughes
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y = 0.5x^2 + 6x + 2 (adding 5 to both sides of the original equation)
Discriminant b^2 - 4ac = 6^2 - 4 * 0.5 * 2 = 36 - 4 = 32
The discriminant is positive and not a perfect square so the equation has 2 x intercepts.
Kim Stacks
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Dec 15, 2018
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The answer is actually 2 because you have 0.5x (I think that's what it's supposed to be) and 6x.
MartijnvdB
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Dec 19, 2018
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MartijnvdB
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