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Which algebraic representation best describes the translation from RST to R'S'T

Which algebraic representation best describes the translation from RST to R'S'T-example-1
Which algebraic representation best describes the translation from RST to R'S'T-example-1
Which algebraic representation best describes the translation from RST to R'S'T-example-2
User Kestrel
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1 Answer

4 votes

The general algebraic expression to represent a translation has the form:

(x+a, y+b)

Where the points are translated "a" points to the right and "b" points up.

From the given figure, we can see that the point "S" goes from (-6, -3) to (-2, 2)

Then, we can formulate the following expressions, to find "a" and "b":

x-coordinate of point S + a = x-coordinate of point S'

-6 + a = -2

-6 + 6 + a = -2 + 6

a = 4

y-coordinate of point S + b = y-coordinate of point S'

-3 + b = 2

-3 + 3 + b = 2 + 3

b = 5

Then, the algebraic expression that represents this translation is:

(x + 4, y + 5)

Then, the correct answer is the last option

User Ister
by
8.1k points

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