document.write( "Question 984908: A new temperature scale is called Z. On that scale, the boiling point of water is 150 degrees Z and the freezing point is −10.0 degrees Z . Find the corresponding 70 degrees Z in degrees C . \n" ); document.write( "

Algebra.Com's Answer #605739 by josgarithmetic(39617) $\"\"$ $\"About$

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Make a system of points according to ordered pairs (z,c) and you have two known points (150,100) and (-10,0). Find the linear equation which contains these two points. You would want the result in slope-intercept form.\r
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\n" ); document.write( "\n" ); document.write( " $\"c=mz%2Bb\"$ ,
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\n" ); document.write( " $\"m=%28100-0%29%2F%28150-%28-10%29%29=100%2F160=50%2F80=5%2F8\"$
\n" ); document.write( "and find b,
\n" ); document.write( " $\"b=c-mz\"$ ; using either of the two known points.\r
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\n" ); document.write( "\n" ); document.write( "A different example, but the same basic idea shown here:
\n" ); document.write( "Equation for Line through Two Points \n" ); document.write( "

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