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How to flip QPainter y-axis?

When reflecting a point in the y axis (r yaxis) do u switch the coordinates. like (x,y) becomes (y,x)?

  • Answer:

    When you reflect a point (x, y) across the y-axis, the result is the point (-x, y). Reflecting the point (x, y) across the x-axis yields an image of (x, -y). To reflect a graph across the y-axis, you replace each occurrence of x in its equation with -x. To reflect a graph across the x-axis, you replace y with -y.

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When you reflect a point (x, y) across the y-axis, the result is the point (-x, y). Reflecting the point (x, y) across the x-axis yields an image of (x, -y). To reflect a graph across the y-axis, you replace each occurrence of x in its equation with -x. To reflect a graph across the x-axis, you replace y with -y.

Laura McAlister

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