Use Pythagorean identity to find x value and solve using formulas
Mr. And Mrs. Lorenzo want to buy a home valued at $213,500. If they have 18% of this amount saved for a down payment, how much h
1 answer:
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Equation of a circle in standard form with center (h,k) and radius r is given by :
In the given question the center of circle is lying on y axis so h=0 .Radius r=3 Substituting these values in the equation of circle we have:
Expanding we have :
Subtracting 9 both sides
Comparing this with the equation of circle in general form
A=1,B=1,C=0
If D=-8 then E=7
So option C is the right answer