What are roots of quadratic function completing the square x^2+4X-1=0

Mathematics

1 answer:

rosijanka [135]2 years ago

5 0

Answer:

x= $\sqrt{-4x+1}$

x=- $\sqrt{-4x+1\\}$

Step-by-step explanation:

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Alex leaves school to go home. He walks 11 meters North and then 10 meters West. How far is Alex from the school?

yuradex [85]

Answer:

~15 meters away

Step-by-step explanation:

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DochEvi [55]

Answer:

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Step-by-step explanation:

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ANEK [815]

Answer:

$\approx 11.2\:\mathrm{in}$

Step-by-step explanation:

The swing of the tip of pendulum is creating an arc. The question is actually asking for the length of this arc. The length of an arc is given by $2r\pi\cdot \frac{\theta}{360}$ , where $r$ is the radius of the circle and $\theta$ is the angle of the arc.