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sadiyah1116
29.05.2021 •
Mathematics
HELP DUE IN 10 MINS!
Circle R is defined by the equation ( x - 3)2 + ( y - 5)2 = 4. Select all of the points that lie on circle R.
A. (3,5)
B. (5,5)
C. (3,3)
D. (1,5)
E. (-1,5)
F. (3,7)
Solved
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Ответ:
B. (5,5)
C. (3,3)
D. (1,5)
F. (3,7)
Step-by-step explanation:
The equation of a circle with radius
and center
is given by:
From this, we can find that the radius of the circle is
and the center of the circle is at
. Therefore, the coordinates of all points exactly 2 units away from this center point will lie on the circle.
Out of all options given, the desired answers are:
B. (5,5)
C. (3,3)
D. (1,5)
F. (3,7)
Ответ:
Steps :
5x-7=4x+5.6
Add 7 to 5.6
Subtract 4x from 5
X=12.6