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document.write( "find the equation of a circle with center of origin, and tangent to the line 4x+3y=10
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document.write( "1) Find the equation of the radius line, using the point (0, 0), and m, or
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document.write( " slope:
. This will result in the equation:
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document.write( "2) Solve 4x + 3y = 10 for y, and set this equation, and the equation, 
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document.write( " equal to each other to determine the point at which the radius and the
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document.write( " tangent line to the circle, intersect.\r
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document.write( "3) Along with the intersecting point of the two lines, and the point (h, k), or (0, 0), use the
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document.write( " center-radius equation of a circle:
to determine the length of the radius.\r
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document.write( "4) Using the value of the length of the radius, squared, and the center point (h, k), or (0, 0),
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document.write( " write the equation of the circle, in center-radius form.
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