document.write( "Question 980039: Find all the points having an x-coordinate of 9 whose distance from the point (3, -2) is 10.
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document.write( " a. (9, 6), (9, -10)
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document.write( " b. (9, 13), (9, -7)
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document.write( " c. (9, -12), (9, 8)
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document.write( " d. (9, 2), (9, -4)\r
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document.write( "Please help. Thank you for your time \n" );
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Algebra.Com's Answer #601241 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Distance Formula: \n" ); document.write( "sqrt (x2 - x1)^2 + (y2 - y1)^2 \n" ); document.write( "a) sqrt (9 - 3)^2 + (6-(-2) \n" ); document.write( "sqrt (6)^2 + (8)^2 \n" ); document.write( "sqrt (36) + (64) \n" ); document.write( "sqrt (100) \n" ); document.write( "= 10 \n" ); document.write( "sqrt (9 - 3)^2 + (-10 -(-2)) \n" ); document.write( "sqrt (6)^2 + (-8)^2 \n" ); document.write( "sqrt (36) + (64) \n" ); document.write( "sqrt (100) \n" ); document.write( "= 10 \n" ); document.write( "The other 3 (b,c,d) do not give \n" ); document.write( "a distance of 10. \n" ); document.write( "Hope this helps:-) \n" ); document.write( " |