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barxatty [35]
3 years ago
10

Factor this expression completely.

Mathematics
1 answer:
mixer [17]3 years ago
3 0

Answer: B -7(3x-4)

-7×3x=-21x

-7×-4=28

I hope this is good enough:

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Write an equation for an ellipse centered at the origin, which has foci at (\pm\sqrt{8},0)(± 8 ​ ,0)(, plus minus, square root o
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Step-by-step explanation:

given the foci of ellipse (±√8,0) and c0-vertices are (0,±√10)

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Given data (±√8,0)  

the focus has x-coordinates so the focus is  lie on x- axis.

The major axis also lie on x-axis

The minor axis lies on y-axis so c0-vertices are (0,±√10)

given focus C = ae = √8

Given co-vertices ( minor axis) (0,±b) = (0,±√10)

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a^{2} =18

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The equation of ellipse formula

\frac{x^2}{a^2} +\frac{y^2}{b^2} =1

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<u>Final answer:</u>-

<u>The equation of ellipse centered at the origin</u>

<u />\frac{x^2}{18} +\frac{y^2}{10} =1<u />

                                   

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1/6 because one divide by six equal 0.166666.....
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