document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=72389>Question 72389</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0130442631/algebrahomeworkh>algebra 1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> what type of equation do i use to give the slope-intercept of an equation of the line that is perpendicular to 8x+5y=4 and contains (-9,1)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #51737 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=51737\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> what type of equation do i use to give the slope-intercept of an equation of the line that is perpendicular to 8x+5y=4 and contains (-9,1)?<BR>\n" );
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document.write( "Put the given equation in slope-intercept form:<BR>\n" );
document.write( "y = -(8/5)x + (4/5)<BR>\n" );
document.write( "The slope of this line is -8/5<BR>\n" );
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document.write( "The perpendicular line must have a slope of +5/8<BR>\n" );
document.write( "The equation you want will have the form y=mx+b where<BR>\n" );
document.write( "m=5/8 and y=1 when x=-9.<BR>\n" );
document.write( "1 = (5/8)(-9)+b<BR>\n" );
document.write( "b= 45/8 + 8/8<BR>\n" );
document.write( "b=53/8<BR>\n" );
document.write( "EQUATIOn:<BR>\n" );
document.write( "y=(5/8)x + 51/8\r<BR>\n" );
document.write( "\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );