document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=811357>Question 811357</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find an equation of the line through (1,8) and parallel to y=4x+2 write the equation using function notattion </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #488849 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=488849\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> parallel lines have equal slope:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "y = 4x + 2<BR>\n" );
document.write( "first line has slope (m) = 4<BR>\n" );
document.write( "---<BR>\n" );
document.write( "second line contains the point (1,8) and its slope (m) is also 4:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "use the point-slope form of the second line:<BR>\n" );
document.write( "y - y1 = m(x - x1)<BR>\n" );
document.write( "y - 8 = 4(x - 1)<BR>\n" );
document.write( "y - 8 = 4x - 4<BR>\n" );
document.write( "---<BR>\n" );
document.write( "y = 4x + 4<BR>\n" );
document.write( "---<BR>\n" );
document.write( "result:<BR>\n" );
document.write( "f(x) = 4x + 4<BR>\n" );
document.write( "---<BR>\n" );
document.write( "---<BR>\n" );
document.write( "---<BR>\n" );
document.write( "check the answer:<BR>\n" );
document.write( "x1 y1 m = 1 8 4<BR>\n" );
document.write( "plug x1 y1 m into: https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "again we see:<BR>\n" );
document.write( "slope (m) = 4<BR>\n" );
document.write( "y-intercept = 4<BR>\n" );
document.write( "---<BR>\n" );
document.write( "same result:<BR>\n" );
document.write( "f(x) = 4x + 4<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Convert fractions, decimals, and percents:<BR>\n" );
document.write( "https://sooeet.com/math/fraction-decimal-percent.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Calculate and graph the linear regression of any data set:<BR>\n" );
document.write( "https://sooeet.com/math/linear-regression.php </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );