document.write( "Question 40796This question is from textbook intermediate algebra
\n" ); document.write( ": Find the equation, in standard form, with all integer coefficients, of the line perpendicular to 3x – 4y = 9 and passing through (-2, -1). \n" ); document.write( "
Algebra.Com's Answer #26187 by Nate(3500)\"\" \"About 
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3x - 4y = 9
\n" ); document.write( "-4y = -3x + 9
\n" ); document.write( "y = (3/4)x - (9/4)
\n" ); document.write( "The slope is (3/4). We want perpendicular, so we take the opposite of the recipricol to get (-4/3).
\n" ); document.write( "Use point-slope form:
\n" ); document.write( "\"y+-+yp+=+m%28x+-+xp%29\"
\n" ); document.write( "\"y+%2B+1+=+%28-4%2F3%29%28x+%2B+2%29\"
\n" ); document.write( "\"y+=+%28-4%2F3%29x+-+%2811%2F3%29\"
\n" ); document.write( "\"%284%2F3%29x+%2B+y+=+-%2811%2F3%29\"
\n" ); document.write( "\"4x+%2B+3y+=+-11\"
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+.75x+-+2.25%2C+-4x%2F3+-+11%2F3%29+\"
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