document.write( "Question 824516: Find an equation of the line and write your answer in slope intercept form.\r
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document.write( "The percent of children ages 3 and 4 who are enrolled in nursery school has decreased from 54.5% in 2004 to 52.4% in 2009. First find the equation for the line given the data points. Let X represent the number of years after 2000 and Y the percent of children ages 3 and 4 who are enrolled in nursery school.\r
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document.write( "Second, estimate the percent of children ages 3 and 4 enrolled in nursery school in 2008 and 2012. \n" );
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Algebra.Com's Answer #496558 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! --- \n" ); document.write( "given data point 1: \n" ); document.write( "x = 2004 - 2000 = 4 \n" ); document.write( "y = 54.5 \n" ); document.write( "(4, 54.5) \n" ); document.write( "--- \n" ); document.write( "given data point 2: \n" ); document.write( "x = 2009 - 2000 = 9 \n" ); document.write( "y = 52.4 \n" ); document.write( "(9, 52.4) \n" ); document.write( "--- \n" ); document.write( "to solve the linear equation, copy and paste this (the two given data points): \n" ); document.write( "4, 54.5, 9, 52.4 \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( "x-intercept = (133.761905, 0) \n" ); document.write( "y-intercept = (0, 56.18) \n" ); document.write( "slope = -0.42 \n" ); document.write( "--- \n" ); document.write( "answer1: \n" ); document.write( "the line in slope-intercept form: \n" ); document.write( "y = (-0.42)x + 56.18 \n" ); document.write( "--- \n" ); document.write( "answer2: \n" ); document.write( "percent of children ages 3 and 4 enrolled in nursery school in 2008: \n" ); document.write( "y(8) = (-0.42)*8 + 56.18 \n" ); document.write( "y(8) = 52.82% \n" ); document.write( "--- \n" ); document.write( "answer3: \n" ); document.write( "percent of children ages 3 and 4 enrolled in nursery school in 2012: \n" ); document.write( "y(12) = (-0.42)*12 + 56.18 \n" ); document.write( "y(12) = 51.14% \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \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( " |