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In-s [12.5K]
4 years ago
8

Triangle PQR is shown below.

Mathematics
1 answer:
Katarina [22]4 years ago
4 0

Answer: OPTION B.

Step-by-step explanation:

By definition, reflection is a kind of transformation in which the lengths do not change.

As you can see in the figure, the length of PR is 8 units. Then, keeping on mind the definition, when the triangle PQR was reflected across the y-axis, the triangle P'Q'R' obtained has the same lenghts as the triangle PQR.

Therefore, you can conclude that the lenght P'R' would be: 8 units.

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4 years ago
8
tia_tia [17]

Answer:

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Step-by-step explanation:

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1) Since the whole quantity is squared, write it out as (3-i)(3-i).

(3-i)^2\\(3-i)(3-i)

2) Multiply binomials by using the FOIL method. Multiply the terms that are listed first in each binomial, then the ones that are listed outermost when looking at both binomials, then innermost, and finally the last terms listed in each binomial. Simplify and combine like terms.

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9 - 6i + ((-\sqrt{1} )(\sqrt{-1} ))

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6 0
3 years ago
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Step-by-step explanation:

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