If a line is not horizontal or vertical, how is the slope of the line related to the slope of its reflection image in each of the following? a) x-axis and b) y-axis Please explain. D:
Stacey Warren - Expert brainly.com
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the slope the reflection is the inverse of the slope of the original line. the point (3, 2) will become (2,3) x and y values are transposed.
Just to add to campbell's answer,
The slope of the original line is
The slope of the reflection through x-axis is:
The slope of the reflection through y-axis is:
So.. maybe for it reflecting along x-axis/y-axis, the new slope also becomes -ve of the original slope.
BTW, do you understand?
yup I sort of but I don't get the -ve?
The word 'slope' means incilination or slant. It can be measured by the ratio of 'rise' to the horizontal distance.
Let's consider any 2 points (x1,y1) and (x2,y2). We shall measure how much rise and how much horizontal distance has been covered from (x1,y1) to (x2,y2)
See that in the triangle in the top part, this ratio is equal to tan(theta).
-ve = negative...
ohhhhh, i get it (sort of but I'm getting it) thank you guys!