Please help... Find the x intercept of y = -0.0814x3 + 2.7624x2 - 148.64x - 85.91. Thank you for any help!
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my calculator says there's a single root at x = -0.5717951
Originally Posted by skeeter my calculator says there's a single root at x = -0.5717951 Mine says that too...except y does not equal 0, it equals -2.E-12
-2 E -12 = -0.000000000002 is close enough to zero ... calculators are only so accurate.
Originally Posted by skeeter -2 E -12 = -0.000000000002 is close enough to zero ... calculators are only so accurate. ok, thanks
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