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Katyanochek1 [597]
3 years ago
12

How does the order of operations relate to solving multi-step equations? Use examples of solving an equation, and then evaluatin

g it to help in your explanation.
Mathematics
1 answer:
givi [52]3 years ago
6 0
The order of operations helps keep answers for multi-step equations similar. If the proper order of operations are not followed, then answers may vary. To show an example:

4 / 2 - 1

The proper order of operations would be:

Divide first, before subtracting
4 / 2 - 1
2 - 1
1

But if subtracting was done before dividing:

4 / 2 - 1
4 / 1
4

So not following the proper order would yield different and erroneous answers.
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Answer:

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Step-by-step explanation:

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3 years ago
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3 years ago
If rectangle ABCD, defined by the coordinates A(0, 0), B(0, -4), C(-2, -4), D(-2, 0), is dilated by a scale factor of 2, with re
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Answer:

D) (-2, -4).

Step-by-step explanation:

Let (x, y) be the center of dilation. Imagine that (x, y) is the center of origin of a new Cartesian Plane. What would the coordinates of point A and A' on the new plane?

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Dilating (-x, -y) about the "origin" of the new plane by a factor of two will give the point (-{\bf 2}x, -{\bf 2}y), also on the new plane.

For coordinates of A' on the original plane,

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As a result,

\left \{ \begin{array}{l}-2x = 2 - x\\-2 y = 4 - y\end{array}.

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