March 23, 2017

Post a New Question

Posted by on Tuesday, July 22, 2014 at 6:16am.

A rectangular field is to be fenced off with 120 m of fencing materials. the length of the field is x. express the area in square meters of the field as a function of x.

  • SECONDARY ALGEBRA - , Tuesday, July 22, 2014 at 6:38am


  • SECONDARY ALGEBRA - , Tuesday, July 22, 2014 at 11:02am

    nice try, but you're mixing things up. Why do you say 120 m^3? m^3 is volume, not are or length! And why multiply the perimeter by the length, anyway?

    Just take a step back and work things out.

    The area is length * width

    The 120m of fencing reaches around the field -- that is the perimeter.

    If the perimeter is 120, that means that
    So, if the length is x,
    width = 60-x

    That means that the area is


    and that is in m^2: meters * meters

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question