2 years ago

What are the center and radius of a circle defined by the equation x^2+y^2- 6x+ 8y+ 21=0?

Mathematics

2 answers:

KengaRu [80]2 years ago

8 0

Answer:

It is B, Thank me later

Step-by-step explanation:

Natali5045456 [20]2 years ago

4 0

You have to complete the square. When you do this you get an equation that looks like this: (x-3)^2 + (y+4)^2 = 4. So your center is (3, -4) and your radius is 2. That looks like B to me!!!

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