B. Find the equation of the circle (center radius form) described.
1. Center at (0,0), radius = 2
2. Center at (0,0), radius = 4
3. Center at (0,0), radius = √5 (squareroot of 5)
4. Center at (5,7) radius = 3
5. Center at (-4,3) diameter = 12
1. Center at (0,0), radius = 2
2. Center at (0,0), radius = 4
3. Center at (0,0), radius = √5 (squareroot of 5)
4. Center at (5,7) radius = 3
5. Center at (-4,3) diameter = 12
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Answer:
1. x²+y²=4
2. x²+y²=16
3. x²+y²=5
4. (x-5)²+(y-7)²=9
5. (x+4)²+(y-3)²=144
Step-by-step explanation: