document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66147>Question 66147</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ok im sorry about all this but to get to the answer to my question i have to tell you other questions <BR>\n" );
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document.write( "C street has an x-intercept of -8 and a slope of 2. use the x-intercept point to write the equation of c street in point slope form.<BR>\n" );
document.write( "Answer: y-0=2(x=8)<BR>\n" );
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document.write( "D street crosses c street  at the point (-10,-4) and is perpendicular to the y-axis.  Determine the y-intercept point and write the equation of d street. <BR>\n" );
document.write( "and im not sure of the answer for this one<BR>\n" );
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document.write( "but this is the question i need help with<BR>\n" );
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document.write( "G street crosses f street at the point (3,7) and is parallel to d street. Determine the y-intercept point of g street and write the equation of g street.<BR>\n" );
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document.write( "thanks alot!<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #46897 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=46897\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> C street has an x-intercept of -8 and a slope of 2. use the x-intercept point to write the equation of c street in point slope form.<BR>\n" );
document.write( "Answer: y-0=2(x+8)<--you had a type-o.<BR>\n" );
document.write( "You get this because the x-intercept is (-8,0) and the slope, m=2<BR>\n" );
document.write( "The point-slope formula is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y-y1=m%28x-x1%29%29 ALIGN=MIDDLE  ALT=\"highlight%28y-y1=m%28x-x1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, where m=slope and (x1,y1) is a given point on the line.<BR>\n" );
document.write( "Good job: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-0=2%28x%2B8%29 ALIGN=MIDDLE  ALT=\"y-0=2%28x%2B8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is right.<BR>\n" );
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document.write( "D street crosses c street  at the point (-10,-4) and is perpendicular to the y-axis.  Determine the y-intercept point and write the equation of d street. <BR>\n" );
document.write( "A line that is perpendicular to the y-axis is horizontal.  Horizontal lines have a slope of m=0<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%2B4=0%28x%2B10%29 ALIGN=MIDDLE  ALT=\"y%2B4=0%28x%2B10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%2B4=0 ALIGN=MIDDLE  ALT=\"y%2B4=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-4 ALIGN=MIDDLE  ALT=\"y=-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > <---the equation of a horizontal line always ends up being y=k, where k is a constant and there is no x.  Notice that k is the y component of the point it went through.  That also always happens.<BR>\n" );
document.write( "The y-intercept is (0,-4), because all the points on a horizontal line have the same y-value.<BR>\n" );
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document.write( "G street crosses f street at the point (3,7) and is parallel to d street. Determine the y-intercept point of g street and write the equation of g street.<BR>\n" );
document.write( "If G is parallel to D, then it is also horizontal, so the equation of a horizontal line going through (3,7) is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=7 ALIGN=MIDDLE  ALT=\"y=7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Its y-intercept is: (0,7)<BR>\n" );
document.write( "Happy Calculating!!!\r<BR>\n" );
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