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amylumey2005
24.02.2021 •
Mathematics
Part I Write a sequence of dilations and translations that maps circle B onto circle A.
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Ответ:
Part B
Step-by-step explanation:
Ответ:
(x²-10x)+(y²-6y)=23
We need to complete square for x and y groups.
(x²-2*5x+5²) + (y²- 2*3y+3²)=23 +5² +3²
(x-5)²+(y-3)² = 57 - sometimes this form is called standard
(x-5)²+(y-3)² = (√57)²
(5,3) is vertex of the circle, and √57 is the radius of the circle.
Sometimes this form called is standard: