document.write( "Question 73670: A penalty kick in soccer is made from a penalty mark that is 36 ft form a goal that is 8 ft high. A possible equation for the flight of a penalty kick is h= -0.002x^2 + 0.35x where h is the height (in feet) of the ball x feet from the penalty mark. Assuming that the flight of the kick is toward the goal and that it is not touched by the goalie, will the ball land in the net? \n" ); document.write( "

Algebra.Com's Answer #52731 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

You can put this solution on YOUR website!
A penalty kick in soccer is made from a penalty mark that is 36 ft from a goal, that is 8 ft high. A possible equation for the flight of a penalty kick is
\n" ); document.write( "h= -0.002x^2 + 0.35x where h is the height (in feet) of the ball x feet from the
\n" ); document.write( " penalty mark. Assuming that the flight of the kick is toward the goal and that
\n" ); document.write( " it is not touched by the goalie, will the ball land in the net?
\n" ); document.write( ":
\n" ); document.write( "h = -.002x^2 + .35x;
\n" ); document.write( ":
\n" ); document.write( "x is given as 36'
\n" ); document.write( "h = -.002(36^2) + .35(36)
\n" ); document.write( ":
\n" ); document.write( "h = -.002(1296) + 12.6
\n" ); document.write( ":
\n" ); document.write( "h = -2.6 + 12.6
\n" ); document.write( ":
\n" ); document.write( "h = 10' above the ground\r
\n" ); document.write( "\n" ); document.write( "The goal is 8' high, so it would clear the goal by 2 ft.
\n" ); document.write( ":
\n" ); document.write( "A graph would look like this:
\n" ); document.write( " $\"+graph%28+300%2C+200%2C+-10%2C+50%2C+-10%2C+25%2C+-.002x%5E2+%2B+.35x%29+\"$ \n" ); document.write( "

\n" );