Use the discriminant to determine the nature of the roots of the following equation. y^2 - 5y - 3 = 0

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20-05-2018
Mathematics

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Use the discriminant to determine the nature of the roots of the following equation. y^2 - 5y - 3 = 0

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altavistard altavistard · Answer 1 · 2018-05-23T22:27:17+02:00

altavistard altavistard

23-05-2018

Here a=1, b= -5 and c= -3

so the discrim. is b^2 - 4(a)(c), or (-5)^2 - 4(1)(-3) = 25 + 12 = 37.

Because the discrim. is +, you'll have 2 real, unequal roots.

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