document.write( "Question 178985: Use the following equation, where x and y are measured in meters, to model a cross section of the Barrenger Meteor crater, near Winslow, Arizona.
\n" ); document.write( "Barringer meteor crater model= y=1/1800(x-600)(x+600)
\n" ); document.write( "what is the depth of the crater? \n" ); document.write( "
Algebra.Com's Answer #134016 by ankor@dixie-net.com(22740)\"\" \"About 
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Use the following equation, where x and y are measured in meters,
\n" ); document.write( "to model a cross section of the Barrenger Meteor crater,
\n" ); document.write( "near Winslow, Arizona.
\n" ); document.write( ":
\n" ); document.write( "Barringer meteor crater model: y =\"1%2F1800\"(x-600)(x+600)
\n" ); document.write( ":
\n" ); document.write( "what is the depth of the crater?
\n" ); document.write( ":
\n" ); document.write( "y = \"%28x%5E2+-+360000%29%2F1800\"
\n" ); document.write( ":
\n" ); document.write( "y = \"%28x%5E2%2F1800%29\" - \"%28360000%2F1800%29\"
\n" ); document.write( ":
\n" ); document.write( "y = \"%28x%5E2%2F1800%29+-+200\"
\n" ); document.write( ":
\n" ); document.write( "difference of squares so axis of symmetry is 0 and the minimum = -200
\n" ); document.write( ":
\n" ); document.write( "Like this
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-700%2C+700%2C+-250%2C+100%2C+x%5E2%2F1800+-200%29\"
\n" ); document.write( ":
\n" ); document.write( "Crater is 1200 ft wide and 200 ft deep \n" ); document.write( "
\n" );