document.write( "Question 62605: find the distance between (3,0) and (-8, 0) \n" ); document.write( "

Algebra.Com's Answer #43381 by funmath(2933) $\"\"$ $\"About$

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find the distance between (3,0) and (-8, 0)
\n" ); document.write( "The distance formula is $\"highlight%28d=sqrt%28%28x2-x1%29%5E2%2B%28y2-y1%29%5E2%29%29\"$
\n" ); document.write( "(x1,y1)=(3,0) and (x2,y2)=(-8,0)
\n" ); document.write( " $\"d=sqrt%28%283-%28-8%29%29%5E2%2B%280-0%29%5E2%29\"$
\n" ); document.write( " $\"d=sqrt%28%283%2B8%29%5E2%2B%280%29%5E2%29\"$
\n" ); document.write( " $\"d=sqrt%28%2811%29%5E2%2B0%29\"$
\n" ); document.write( " $\"d=sqrt%28121%29\"$
\n" ); document.write( " $\"highlight%28d=11%29\"$
\n" ); document.write( ":
\n" ); document.write( "Note, when both the x's or y's are 0 as in this case you can take the absoulte value of their difference rather than using the distance formula, but the distance formula works every time.
\n" ); document.write( "Here's what I mean:
\n" ); document.write( " $\"d=abs%283-%28-8%29%29\"$
\n" ); document.write( " $\"d=abs%283%2B8%29\"$
\n" ); document.write( " $\"d=abs%2811%29\"$
\n" ); document.write( " $\"highlight%28d=11%29\"$
\n" ); document.write( ":
\n" ); document.write( "Happy Calculating and Happy Thanksgiving!!!! \n" ); document.write( "

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