nicpinela1234
10.02.2021 •
Mathematics
Pls help me w this question
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Ответ:
Complete Question:
Parallelogram ABCD is rotated 90° counterclockwise. What rule shows the input and output of the rotation, and what is the new coordinate of A(-5, 1)? a. (x,y) → (-x, -y); A' is at (5, -1)
b. (x,y) → (-y, x); A' is at (-1,-5)
c. (x, y) (y, -x); A' is at (1,5)
d. (x,y) → (X, -y); A' is at (-5, -1)
check the first file attached
option b
Step-by-step explanation:
rotated 90 degrees counterclockwise
(x,y) => (-y, x)
(-5,1) => (-1, 5)
check the sketch attached