The equation for a circle is (x-h)^2 +(y-k)^2=r^2
You just have to plug in your coordinates h is the x and k is the y.
The r is radius squared.
so, (x-2)^2+(y-(-5)^2=144
You have to be careful of those tricky negative values. When you distribute the y-(-5) it turns into y+5.
So your answer is D.
Answer:
x=1
Step-by-step explanation:
Its A. x=4
procedure: 3*equation1 - 2*equation2 ⇒ x=4
Answer:Exponential
Step-by-step explanation:
Y= .5x.2^x
