U need to add them all together
Answer:
x2-8x=9
Step-by-step explanation:
you move the negative nine to the other side of the equals to become positive
Answer: C. 4
Step-by-step explanation:
Answer:

Step-by-step explanation:
A circle is described by an equation in the following form:
(1)
where:
is the x-coordinate of the centre of the circle
is the y-coordinate of the centre of the circle
r is the radius of the circle
For the circle in this problem, we have:
- The centre is located at (2,-8), so

- The radius is 11, so

Therefore substituting into eq(1) we find the equation of this circle:

So the correct option is option B:
