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1 answer:
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Answer with Step-by-step explanation:
We are given that
Compare with the equation of circle
Where center of circle=(h,k)
r=Radius of circle
a.Center of circle=(0,0)
Radius= units
Center of second circle=(3,3)
Radius of second circle= units
b.Distance formula:
Using the formula
The distance between the centers of two circle
=
Hence, the distance between the centers of two circle = units.
c.
Substitute x=-1 and -1
The circle must be tangent because there is just one point (-1,-1) is common in both circles and satisfied the equations of circle.
