SOLUTION: Complete the square and write the equation in standard form. Then give the center and radius of the circle. Graph on graph paper.
x^2 + y^2 + 2x - 4y - 31 = 0
(x-h)^2 + (y-k)
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Question 378272: Complete the square and write the equation in standard form. Then give the center and radius of the circle. Graph on graph paper.
x^2 + y^2 + 2x - 4y - 31 = 0
(x-h)^2 + (y-k)^2 = r^2 Standard form
Center
Radius
Step by step sequence. Thanks.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Complete the square in x and y.
The general equation for a circle centered at (,) with a radius is:
Comparing,
Radius:
Center:(,)=(,)
.
.
.
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