Answer:
=7.071068
Step-by-step explanation
subtract the x values and y values and square them then add them together and find it's square root
coefficients are the whole number.
Example : 1x+5x
________ + 15
3x+16x
that's a fraction the coefficients would be the numbers in front of the variable. Variables are the letters in the equation. Which is the x in my equation.
Answer:
![Center=(-2,-1)](https://tex.z-dn.net/?f=Center%3D%28-2%2C-1%29)
![r^2=5^2=25](https://tex.z-dn.net/?f=r%5E2%3D5%5E2%3D25)
![So,(x+2)^2+(y+1)^2=25](https://tex.z-dn.net/?f=So%2C%28x%2B2%29%5E2%2B%28y%2B1%29%5E2%3D25)
<u>--------------------------</u>
<u>hope it helps...</u>
<u>have a great day!!</u>