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For each coordinate point (x, y), the x-value becomes its opposite. Were it positive, it becomes negative, and vice versa. The y-value remains the same. In other words, each point (x, y) becomes (-x, y).

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The abscissa changes sign, the ordinate remains unchanged.

Q: When a polygon reflects across the y-axis how do the coordinates of the points change?

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Rise over run, generally change in y-coordinates divided by change in x-coordinates.

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Slope. I'm pretty sure.

Change in area = (change in sides)2

a change in development that reflects a major shift

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y' = y, x' = -x.

If your points are (p,f), they become (p,-f).

Reflection across the y-axis changes the sign of the x - coordinate only, that is, (x, y) becomes (-x, y).

Rise over run, generally change in y-coordinates divided by change in x-coordinates.

The y-coordinates.The y-coordinates.The y-coordinates.The y-coordinates.

Ireland's geographic coordinates are 53 00 N, 8 00 W. Coordinates change over the years as the earth moves.

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Slope. I'm pretty sure.

Slope can be referred to by rate of change because it is the rate that x changes compared to y on a graph.

Change in area = (change in sides)2

a change in development that reflects a major shift

me no no