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musickatia [10]
3 years ago
12

Sketch the parabola y = x2 + 4x – 5.

Mathematics
1 answer:
Daniel [21]3 years ago
5 0

Step-by-step explanation:

y=(x+5)(x-1)

y=-5 x=0

y=0. x=-5

y=0 x=1

now you got the points so graph will be like

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Step-by-step explanation:

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oksano4ka [1.4K]
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Step-by-step explanation:

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We need to find the ratio of the area of the square to the area of the circle.

Area of the square = a²

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\texttt{Ratio of area of the square to the area of the circle =}\frac{a^2}{\pi r^2}\\\\\texttt{Ratio of area of the square to the area of the circle =}\frac{\left ( \frac{\pi r}{2}\right )^2}{\pi r^2}\\\\\texttt{Ratio of area of the square to the area of the circle = }\frac{\pi}{4}

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