SOLUTION: A type of medicine is kept fresh in a container. This container regulates the temperature of the drug to a narrow interval in degree Celsius . Find this narrow temperature interva

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Question 675503: A type of medicine is kept fresh in a container. This container regulates the temperature of the drug to a narrow interval in degree Celsius . Find this narrow temperature interval by solving the following quadratic equation 4(x-0)^2 - 15 =0 . Round answer 2 decimal places
Answer by ReadingBoosters(3246) About Me  (Show Source):
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4%28x-0%29%5E2+-+15+=+0
...
4x%5E2+-+15+=+0+
...
4x%5E2+=+15
...
x%5E2+=+15%2F4
...
sqrt%28x%5E2%29 = +/- sqrt%2815%2F4%29
...
x = +/- sqrt%2815%29%2F2
...
x = 1.94
x = -1.94
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