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Write the standard form of the equation and the general form of the equation of the circle with radius \( r \) and center \( (h, k) \). Then graph the circle. \( r=1 ; \quad(h, k)=(8,6) \) The standard form of the equation of this circle is \( (x-8)^{2}+(y-6)^{2}=1 \). (Type your answer in standard form.) The general form of the equation of this circle is (Simplify your answer. Type an equation.)

Ask by Pritchard King. in the United States
Feb 26,2025

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The standard form of the circle is \( (x - 8)^2 + (y - 6)^2 = 1 \). The general form is \( x^2 + y^2 - 16x - 12y + 99 = 0 \). The circle has a center at (8, 6) and a radius of 1.

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The Deep Dive

First, let's convert the standard form of the equation into the general form. The standard form of the circle is: \[ (x - 8)^{2} + (y - 6)^{2} = 1 \] Expanding this equation, we have: \[ (x^2 - 16x + 64) + (y^2 - 12y + 36) = 1 \] Combining like terms, we get: \[ x^2 + y^2 - 16x - 12y + 100 = 1 \] Now, we can rearrange it to the general form: \[ x^2 + y^2 - 16x - 12y + 99 = 0 \] So, the general form of the equation of the circle is: \[ x^2 + y^2 - 16x - 12y + 99 = 0 \] Now, let's graph the circle centered at (8, 6) with a radius of 1. You'll plot the center point first, then draw a circle that extends 1 unit in all directions from that center! It's a tiny circle, so it will look quite cute on the graph!

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