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deeknuk
26.08.2019 •
Mathematics
What are the coordinates of the image of vertex d after a reflection across the x-axis? (look at image ))
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Ответ:
the reflection across the x-axis maps the point (x,y) into the point (x,-y).
using this rule, you can find the coordinates of the image point d'. from the diagram point d has coordinates (5,-3), then point d' will have coordinates (5,3).
answer: correct choice is a.
Ответ:
Ответ:
Distribute ( 3 * -5q + 3 * 4 )
reduce 3 * -5q to -15q ( -15q + 3 * 4 )
simplify 3 * 4 to 12 ( -15q + 12 ).