carlypoarch carlypoarch

31-01-2021
Mathematics

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F(x)=x^2+6x+8 What are the zeroes of the function? Write the smaller x first, and the larger x second

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baileymurphy203 baileymurphy203

31-01-2021

the answer is x6+6+6-7

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31-01-2021

x²+6x+8= 0
Discriminant = 6²-4·1·8 = 4
Pythagorean theorem:
x = [-6±√(6²-4·1·8)]/[2· 1] = [-6±√4]/2 = -4, -2
Zeroes: -4,-2

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