3 years ago

Which equation has the solution x=1+- sqrt 5?

2 answers:

3 0

$x = 1 \pm \sqrt{5} \\ \\ x - 1 = \pm \sqrt{5} \\ \\ (x-1)^2 = (\sqrt{5})^2 = 5 \\ \\ x^2 -2x +1 = 5 \\ \\ x^2 -2x -4 = 0$

3 0

Answer:

its d

Step-by-step explanation:

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weeeeeb [17]

Answer:

Step-by-step explanation:

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3 years ago

ololo11 [35]

5 000 * X ^(8) = 10 000

x^(8) = 10 000 / 5000

x ^(8)= 2

x = 2^(1/8)

x≈ 1.09

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3 years ago

SVEN [57.7K]

Mathematics is math, geometry, algebra, calculus

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3 years ago

Maslowich

Yes but you get a decimal answer

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3 years ago

Roman55 [17]

I would say false because even tho the angles could be in the same circle, each angle could be a different size.

Hope this helped :)

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4 years ago