document.write( "Question 828841: The average amount of room, board and tuition at a public 4- year was 17,447 in 2006 and 21,189 in 2010. Find the average rate at which room, board and tuition are increasing. \n" ); document.write( "
Algebra.Com's Answer #499542 by TimothyLamb(4379)\"\" \"About 
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\n" ); document.write( "given:
\n" ); document.write( "2006, 17447
\n" ); document.write( "2010, 21189
\n" ); document.write( "---
\n" ); document.write( "0, 17447
\n" ); document.write( "4, 21189
\n" ); document.write( "---
\n" ); document.write( "to solve the linear equation, copy and paste this (the two given points):
\n" ); document.write( "0, 17447, 4, 21189
\n" ); document.write( "into the \"Two-Point form: x1 y1 x2 y2\" input box here: https://sooeet.com/math/linear-equation-solver.php
\n" ); document.write( "---
\n" ); document.write( "answer:
\n" ); document.write( "x-intercept = (-18.6499198, 0)
\n" ); document.write( "y-intercept = (0, 17447)
\n" ); document.write( "slope = 935.5
\n" ); document.write( "---
\n" ); document.write( "the slope-intercept form:
\n" ); document.write( "y = 935.5x + 17447
\n" ); document.write( "---
\n" ); document.write( "average annual rate of increase for room, board and tuition is: $935.50
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\n" ); document.write( "Solve and graph linear equations:
\n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php
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\n" ); document.write( "Solve quadratic equations, quadratic formula:
\n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php
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\n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "
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