1) Complete the equation of the circle centered at (7,9) with radius 18 in the f
ID: 3099858 • Letter: 1
Question
1) Complete the equation of the circle centered at (7,9) with radius 18 in the form(x-h)^2+(y-k)^2=r^2
The equation is (x-7)^2+(y-9)^2 = ________
2) Complete the equation of the circle centered at (4,-6) with radius 6 in the form
(x-h)^2+(y-k)^2=r^2
the equation is (x-4)^2 + _____ = _____
3)Find an equation of the circle with center at the origin and passing through (-2,-2) in the form of (x-h)^2+(y-k)^2=r^2
the equation is ____ + ____ =_____
4) Find the center and radius of the circle whose equation is x^2+7x+y^2-10y-15=0
center of the circle is (___, ____)
the radius of the circle is ____
the same quation in the form (x-h)^2+(y-k)^2=r^2
____+ (y-5)^2 =______
Explanation / Answer
1) just square the 18 2) for the y component it would be (y--6)^2 since the 6 is negative and it will equal 6^2 3)follow the same steps as above
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