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german
3 years ago
9

How do the signs of b and c in standard form, x^2 + bx + c, affect the signs of p and q in factored form, (x + p)(x + q)?

Mathematics
1 answer:
Len [333]3 years ago
4 0

Answer:

c

Step-by-step explanation:

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Full Question:

These five frames (in the attached image_ show shapes of different positions. Describe how the shape moves to get from its position in each frame to the next.

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Step-by-step explanation:

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Try to sketch by hand the curve of intersection of the parabolic cylinder y = x2 and the top half of the ellipsoid x2 + 7y2 + 7z
vovikov84 [41]

Plug y=x^2 into the equation of the ellipsoid:

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which resembles the equation of a circle, and suggests a parameterization is polar-like coordinates. Let

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y(t)=x(t)^2=\sqrt{\dfrac{1371}{196}}\cos t-\dfrac1{14}

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(Attached is a plot of the two surfaces and the intersection; red for the positive root x(t), blue for the negative)

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