document.write( "Question 284250: A diver jumps from a 48 ft cliff into the ocean below with the initial velocity of 8 ft per sec.. The height of the diver from the ocean after t sec is given by h = -16t^2 + 8t + 48. When does the diver hit the water? \n" ); document.write( "
Algebra.Com's Answer #206251 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! He hits the water when h = 0 \n" ); document.write( "---------------------- \n" ); document.write( "h = -16t^2 + 8t + 48 \n" ); document.write( "-16t^2 + 8t + 48 = 0 \n" ); document.write( "-2t^2 + t + 3 = 0 \n" ); document.write( "(-2t + 3)*(t + 1) = 0 \n" ); document.write( "t = -1 (ignore) \n" ); document.write( "t = 1.5 seconds\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |