document.write( "Question 970008: Write the equation of a parabola whose directrix is y=10.75 and has a focus at (7,9.25).
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Algebra.Com's Answer #592685 by crouch(1)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "the boiling point of water at different altitudes. Which equation represents water’s boiling point (y) based on the change in altitude (x)?\r
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\n" ); document.write( "\n" ); document.write( "-0.6x + 212\r
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\n" ); document.write( "\n" ); document.write( "-1.8x + 212\r
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\n" ); document.write( "\n" ); document.write( "-0.6x + 203.9\r
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\n" ); document.write( "\n" ); document.write( "-1.8x
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