OpenStudy (anonymous):

If the point (-1, 3) is translated according to the rule (x, y) → (x + 4, y – 2), and then reflected across the x-axis, what are the coordinates of the final resulting image?

4 years ago
OpenStudy (anonymous):

a. (-1,3) b. (3,1) c. (-3,-1) d. (3,-1

4 years ago
OpenStudy (whpalmer4):

reflecting across the x-axis is a translation according to the rule \((x,y)\rightarrow(x,-y)\)

4 years ago
OpenStudy (whpalmer4):

\[(-1,3)\rightarrow(-1+4,3-2)\rightarrow(-1+4,-(3-2)) =\]

4 years ago
OpenStudy (whpalmer4):

you could also combine the two translations: \[(x,y)\rightarrow(x+4,y-2)\rightarrow(x+4,-(y-2)) = (x,y)\rightarrow(x+4,2-y)\]Should get the same result.

4 years ago
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