1. which is the equation of a circle with center (–2, 3) and radius r = 5?
(x + 2)² + (y – 3)...
Mathematics, 28.11.2019 06:31 jayceerocks5614
1. which is the equation of a circle with center (–2, 3) and radius r = 5?
(x + 2)² + (y – 3)² = 10
(x + 2)² + (y – 3)² = 25
(x – 2)² + (y + 3)² = 10
(x – 2)² + (y + 3)² = 25
2. a circle with center (–1, 2) passes through point (2, –2). which is true?
the radius is sqrt 5.
the diameter is 10.
the equation is (x + 1)² + (y – 2)² = 10.
the circumference is 25.
4. which is the equation of a circle with diameter with a(5, 4) and b(–1, –4)?
(x – 5)² + (y – 4)² = 10
(x + 5)² + (y + 4)² = 100
(x – 2)² + y² = 25
(x + 2)² + y² = 5
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