document.write( "Question 771688: 30.Write the equation of a line that passes through (-1, 2) and (3, 5). Write your answer in slope-intercept form. \n" ); document.write( "
Algebra.Com's Answer #470435 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Slope/ Gradient equation: \n" ); document.write( "y2 - y1/x2 - x1 \n" ); document.write( "5 - 2/3 - (-1)) \n" ); document.write( "= 3/4 \n" ); document.write( "Using equation: \n" ); document.write( "y - b = m(x - a) with coords(3,5) \n" ); document.write( "y - 5 = 3/4(x - 3) \n" ); document.write( "y - 5 = 3/4x - 9/4 \n" ); document.write( "y = 3/4x - 9/4 + 20/4 (5 = 20/4) \n" ); document.write( "y = 3/4x + 11/4 \n" ); document.write( "OR \n" ); document.write( "Multiply thro' by 4 \n" ); document.write( "4y = 3x + 11 \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |