document.write( "Question 1130803: A ball is thrown from an initial height of 2 meters with an initial upward velocity of 11 m/s. The balls height h (in meters) after t seconds is given by the following
\n" ); document.write( "h=2+11t-5^2
\n" ); document.write( "Find all values of t fro which the balls height is 7 meters. \n" ); document.write( "
Algebra.Com's Answer #747423 by ikleyn(52786)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "
\r\n" );
document.write( "In my post, I simply want to notice that your basic equation is written INCORRECTLY.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The correct form is THIS\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    h(t) = 2 + 11t - 5*t^2.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Then solve it as Alan just explained to you.\r\n" );
document.write( "
\r
\n" ); document.write( "\n" ); document.write( "-------------------\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "To see many other similar solved problems,  look into the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Problem on a projectile moving vertically up and down\r
\n" ); document.write( "\n" ); document.write( "    - Problem on an arrow shot vertically upward\r
\n" ); document.write( "\n" ); document.write( "    - Problem on a ball thrown vertically up from the top of a tower \r
\n" ); document.write( "\n" ); document.write( "    - Problem on a toy rocket launched vertically up from a tall platform\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this textbook under the topic \"Projectiles launched/thrown and moving vertically up and dawn\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I
\n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );