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The roots of the equation 2x^2 - mx  + n = 0 sum to -6 and multiply to 10. What is the value of m + n?

 Feb 27, 2021
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sum of roots = -b/a = m/2 = -6

 

product of roots = c/a = n/2 = 10

 

m + n = -12 + 20 = 8

 Feb 28, 2021

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