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yannabby26
22.10.2020 •
Mathematics
Graph XY with endpoints X(−3, 1) and Y(4,−5) after the composition. Translation: (x, y)→(x, y+2) Rotation: 90° about the origin
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Ответ:
Transformation involves changing the position of a point or line or shape.
See attachment for the graph of X"Y"
The endpoints are given as:
A translation of
means that:
A 90 degrees rotation about the origin is:
So, we have:
See attachment for the graph of X"Y"
Read more about transformation at:
link
Ответ:
X’ is (3,3) and Y’ is (-3,-4)
Step-by-step explanation:
Here, we want to get the coordinates of the point XY after translation and rotation about the origin at 90 degrees
X (-3, 1 ) and Y (4,-5)
Using the translation we have
(-3, 1 + 2) and (4, -5 + 2)
= (-3,3) and (4 , -3)
Rotation about the origin, we have
(x , y) = (y , -x)
So the new set of points will be:
(3,3) and (-3, -4)
Ответ:
See attachment
Step-by-step explanation:
The mapping for a dilation with a scale factor k, about the origin is given by:
From the graph, the coordinates of B are (1,1) and the scale factor is k=4.
We substitute into the rule to get
The image of point B is plotted on the graph in the attachment.