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qwelly [4]
2 years ago
10

What is the coordinate of A after a reflection across the given line?

Mathematics
1 answer:
olga2289 [7]2 years ago
6 0

Answer:

(-3, 3)

Step-by-step explanation:

The equation of line AB is

y=-\frac{1}{3}x+2

Since the y-intercept of the given line is (0,2), the line AB and the given line intersect at (0,2).

By definition, (0,2) is the midpoint of AA', where A' is the image of A after the reflection.

So, the coordinates of A' are (-3, 3)

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An acute angle, θ, is in a right triangle such that sin of theta is equal to 3 over 8 period What is the value of cot θ?
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