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aliciabrown73
19.11.2020 •
Mathematics
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Ответ:
Step-by-step explanation:
Given
Point U(1, -4)Reflection over y-axis results in same y-coordinate and opposite x-coordinate
U(1, -4) → U'(-1, -4)Ответ:
A. (x, y) → (x,-y), (x, y) → (x + 1, y + 1)
Step-by-step explanation:
Plot points B, C and D on the coordinate plane (blue points in attached diagram).
1 transformation is reflection across the x-axis with the rule
(x,y)→(x,-y)
and it maps these points to
B(-3,0)→B'(-3,0)C(2,-1)→C'(2,1)D(-1,2)→D'(-1,-2)These image points are marked in green in attached diagram.
2 transformation is translation 1 unit to the right and 1 unit up with the rule
(x,y)→(x+1,y+1)
and it maps previous image points to
B'(-3,0)→B''(-2,1)C'(2,1)→C''(3,2)D'(-1,-2)→D''(0,-1)