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fredd [130]
3 years ago
5

Which parabola has the graph shown?

Mathematics
1 answer:
ryzh [129]3 years ago
5 0

The vertex is (-1, 2).

The equation of parabola:

x=(x-k)^2+h where (h, k) is the vertex

We have h = -1 and k = 2.

Substitute:

x=(y-2)^2-1\ \ \ \ |+1\\\\(x+1)=(y-2)^2

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Answer:

(x+2-\sqrt{9}) , (x-2+\sqrt{9}) ,(x-9)

Step-by-step explanation:

Given that f(x) is a polynomial function.

This implies that f(x) has x terms of positive integral degrees and also rational coefficients only.

Since an irrational root is given a root of f(x), we find that its conjugate also should be a root of f(x)

i.e. If -2+\sqrt{8} is a root, then -2-\sqrt{8} is also a root.

(Because this only when multiplied will make coefficients rational)

So the factors of f(x) should be atleast

(x+2-\sqrt{9}) , (x-2+\sqrt{9}) ,(x-9)

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2 years ago
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The values of x and y are directly and one pair of values are given.
Anestetic [448]

Answer:

The relation is y = -1.5x

Step-by-step explanation:

x and y are directly proportional:

This means that the equation is given by:

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