document.write( "Question 895413: The centre of a circle is (2x-1, 3x + 1). Find x if the circle passes through (-3,-1) and the length of its diameter is 20 unit.
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The centre of a circle is (2x-1, 3x + 1). Find x if the circle passes through (-3,-1) and the length of its diameter is 20 unit.
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document.write( "Center-radius equation of a circle: , with:
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document.write( "(x, y) being:  (, )
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document.write( "(h, k) being:  (, ), and
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document.write( "r, or radius being: 10
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document.write( " becomes: ____Substituting values into center-radius equation of a circle
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document.write( "         OR        
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document.write( "You can do the check!! \r
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