document.write( "Question 1082350: In a plot, a triangle ABC is formed with its vertex, A(2,0), B(3,-2), and C(7,5). Find the equation of the altitude from vertex B.
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Algebra.Com's Answer #696464 by Fombitz(32388) $\"\"$ $\"About$

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Find the slope of line AC.
\n" ); document.write( " $\"m=%285-0%29%2F%287-2%29=5%2F5=1\"$
\n" ); document.write( "The altitude from vertex B is perpendicular to AC so,
\n" ); document.write( " $\"m%2A%281%29=-1\"$
\n" ); document.write( " $\"m=-1\"$
\n" ); document.write( "Using point B and the slope,
\n" ); document.write( " $\"y-%28-2%29=-1%28x-3%29\"$
\n" ); document.write( " $\"y%2B2=-x%2B3\"$
\n" ); document.write( " $\"y=-x%2B1\"$
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