Hello,
5x²+5y²-20x+30y+40=0
==>x²+y²-4x+6y+8=0 (divided by 5)
==>(x²-2*2x+4)+(y²+2*3y+9)+8-4-9=0
==>(x-2)²+(y+3)²=5
Center (2,-3)
Radius= √5≈2.2360...
Answer: its point B
Step-by-step explanation: Trust me I've been looking for this answer and couldn't find it
First, you replace x with -3.
It will look like -3/3.
Then you divide and get -1.
Answer: Is there a picture? It would really help me understand you question if you added a picture.
Step-by-step explanation: