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laila [671]
3 years ago
8

PLEASE HELPPP!!!! urgent

Mathematics
2 answers:
hoa [83]3 years ago
5 0

Answer:

The answer is C

Step-by-step explanation:

The rule for reflection across the x-axis is (x,y) to (x,-y)

The figure lies at A(-5,5) B(-1,5) C(-1,2) D(-5,1)

A' (-5,-5) B'(-1,-5) C'(-1,-2) D'(-5,-1)

The answer is C

Gelneren [198K]3 years ago
3 0
This is pretty easy to answer. If you want a way to do this fast; just remember that Quadrant III (bottom left) is all negatives. (-x, -y)

So just find the answer where the x and y are negatives, which is C.


I also check the run and rise/fall and they were accurate. The answer is C.
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Simplify (x - square root 7)^2
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Answer:

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Step-by-step explanation:

Expand the following:

(x - sqrt(7))^2

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(-1)^2 = 1:

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x x = x^2:

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Cancel exponents. (sqrt(7))^2 = 7:

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Combining like terms, sqrt(7) x (-1) + sqrt(7) x (-1) = -2 sqrt(7) x:

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