document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=814341>Question 814341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Table shows the number of movies that made at least $20 million for different years.\r<BR>\n" );
document.write( "\n" );
document.write( "Year: 1990        1995      1998    1999     2000<BR>\n" );
document.write( "            <BR>\n" );
document.write( "Movies 30          36        37      42       49\r<BR>\n" );
document.write( "\n" );
document.write( "Write an equation that models the number of movies as function of the number of years since 1990. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #490250 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=490250\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> data:<BR>\n" );
document.write( "1990 1995 1998 1999 2000 30 36 37 42 49<BR>\n" );
document.write( "---<BR>\n" );
document.write( "the data is not linear, but is approximately linear, so you can use linear regression to obtain an equation that models the data<BR>\n" );
document.write( "---<BR>\n" );
document.write( "plug this:<BR>\n" );
document.write( "1990 1995 1998 1999 2000 30 36 37 42 49<BR>\n" );
document.write( "into this regression solver: <BR>\n" );
document.write( "https://sooeet.com/math/linear-regressionn.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "then click the \"xxyy\" button in the solver<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Result:<BR>\n" );
document.write( "slope = 1.57055215<BR>\n" );
document.write( "y-intercept = -3096.65031<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Answer:<BR>\n" );
document.write( "the linear equation model is:<BR>\n" );
document.write( "y = 1.57055215x - 3096.65031<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" );