document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=632055>Question 632055</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How can you say that a Quadratic Equation is in a Standard Form? \r<BR>\n" );
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document.write( "Answer immediately. Thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #397973 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=397973\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the standard form of a quadratic equation is y = ax^2 + bx + c<BR>\n" );
document.write( "a is the coefficient of the x^2 term<BR>\n" );
document.write( "b is the coefficient of the x term<BR>\n" );
document.write( "c is the constant.<BR>\n" );
document.write( "to find the roots, you set the equation equal to 0.<BR>\n" );
document.write( "this is the same as saying that y = 0.<BR>\n" );
document.write( "the standard form then becomes ax^2 + bx + c = 0<BR>\n" );
document.write( "why do you set the equation equal to 0?<BR>\n" );
document.write( "it's because you want to find the real roots of the equation and, by definition, the real roots of the equation are the value of x when y is equal to 0.<BR>\n" );
document.write( "on a graph it's the point where the equation crosses or touches the x-axis.<BR>\n" );
document.write( "if the equation does not cross the x-axis, then the equation has no real roots.<BR>\n" );
document.write( "you can find the roots by factoring, but that doesn't always work.<BR>\n" );
document.write( "you can always find the roots by using the quadratic equation.<BR>\n" );
document.write( "that formula is:<BR>\n" );
document.write( "x = (-b +/- sqrt(b^2-4ac))/(2a)<BR>\n" );
document.write( "the a, and the b,and the c in that equation requires the quadratic equation to be in standard form before you can identify them.<BR>\n" );
document.write( "example:<BR>\n" );
document.write( "5x^2 + 3x - 7 = 0<BR>\n" );
document.write( "a is equal to 5<BR>\n" );
document.write( "b is equal to 3<BR>\n" );
document.write( "c is equal to -7\r<BR>\n" );
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document.write( " </SPAN>\n" );
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