!!!!URGENT URGENT GEOMETRY REFLECTIONS!!! PROVIDE EXPLANATION IF POSSIBLE THANKS. BOGUS ANSWERS WILL BE REPORTED
1 answer:
If m is the midpoint between x=a and x=b, then you have
... (a+b)/2 = m
... a+b = 2m
... b = 2m - a
For the case where a=1 and m=6, we find the reflected coordinate to be
... 2·6 - 1 = 11
Now, we want to reflect about the line x=4, so a=11 and m=4. The second reflection results in an x-coordinate of
... 2·4 - 11 = -3
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When put in matrix form, the coefficients of
... 3x -2y = 7
... x + 4y = 2
look like
The determinant is 3×4 - 1×(-2) = 14.
I hope this helps you
