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katrin [286]
2 years ago
13

Suppose line g is the line with the equation y = x. Given A (7,-3) , B (6,3), and C (-2,-7), what are the coordinates of the ver

tices of a’b’c’ for the reflection
Mathematics
1 answer:
juin [17]2 years ago
4 0

Answer: A'(-3, 7), B'(3, 6), C'(-7, -2)

Step-by-step explanation:

Reflecting over y = x maps (x,y) onto (y,x).

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They are both right triangles so we can use the Pythagorean

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Alexandra [31]

Answer:

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Step-by-step explanation:

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3 years ago
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Eva8 [605]
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3 years ago
The equation of the line that goes through the points ( − 3 , − 9 ) and ( − 6 , − 3 ) can be written in the form y = m x + b
ivolga24 [154]

Answer:

y=-2x-15

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y=mx+b.

m is the slope of the line. To find it we can do \frac{dy}{dx} which is the difference between the y-coordinates divided by the difference between the x-coordinates.

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b=-15 - Re-arranging to get b

Now re-write the equation as we have the constants.

y=-2x-15

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a laptop's screen is 8 inches long. if the diagonal measures 10 inches, what is the width of the laptop
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The width of the laptop is 6 inches long.
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