If a line has slope a, what is the slope of its reflection across the line y=x? Question content area bottom Part 1 The slope of its reflection across the line y=x will be

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asked Feb 9, 2023 179k views

1 Answer

Arbaz Irshad · Answer 1 · 2023-02-15T16:14:54+0000

Check the picture below.

notice the reflected gray line on the red one over the y=x line, the slope of either line across the y=x line is simply the other's upside-down.

$\stackrel{\textit{slope of line$