document.write( "Question 295813: write the equation of the line (in slope intercept form) that passes through the point (7,5) and is perpendicular to the line x-2y=7.
\n" ); document.write( "First I got y on the left side: y=x/2-7/2
\n" ); document.write( "Now I really don't know what to do. Please help. \n" ); document.write( "
Algebra.Com's Answer #213242 by stanbon(75887)\"\" \"About 
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write the equation of the line (in slope intercept form) that passes through the point (7,5) and is perpendicular to the line x-2y=7.
\n" ); document.write( "First I got y on the left side: y=x/2-7/2
\n" ); document.write( "-----
\n" ); document.write( "Since y = (1/2)x -(7/2)
\n" ); document.write( "the slope of any line that is perpendicular to it
\n" ); document.write( "is -2.
\n" ); document.write( "---
\n" ); document.write( "Then you can find the equation you are looking for.
\n" ); document.write( "Form is y = mx + b
\n" ); document.write( "m = -2 and y = 5 when x = 7.
\n" ); document.write( "Substitute and solve for \"b\":
\n" ); document.write( "5 = -2(7) + b
\n" ); document.write( "5 = -14 + b
\n" ); document.write( "b = 19
\n" ); document.write( "----------
\n" ); document.write( "Equation is: y = -2x+19
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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