document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=676925>Question 676925</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sketch a graph of all the (x,y) coordinates that satisfy the equation y-x^2=-1  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #420603 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=420603\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rearrange as y = mx+b<BR>\n" );
document.write( "y = x^2 - 1<BR>\n" );
document.write( "...<BR>\n" );
document.write( "To sketch your graph, find intercepts and few other points to plot<BR>\n" );
document.write( "...<BR>\n" );
document.write( "y intercept is -1<BR>\n" );
document.write( "Plot (0, -1)<BR>\n" );
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document.write( "x intercept is when y = 0<BR>\n" );
document.write( "0 = x^2 - 1<BR>\n" );
document.write( "1 = x^2<BR>\n" );
document.write( "+/-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%281%29=sqrt%28x%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%281%29=sqrt%28x%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x =  +/- 1<BR>\n" );
document.write( "Plot (1,0) and (-1,0)<BR>\n" );
document.write( "...<BR>\n" );
document.write( "choose a few other x values, -2,2,-3,3 and solve for y<BR>\n" );
document.write( "...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-10%2C10%2C-10%2C10%2Cx%5E2-1%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-10%2C10%2C-10%2C10%2Cx%5E2-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".....................<BR>\n" );
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document.write( "-Reading Boosters<BR>\n" );
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