Results 1 to 3 of 3

Thread: Expression of an Equation

  1. Apr 9th 2012, 04:35 PM #1
    GrigOrig99
    GrigOrig99 is offline
    Member
    Joined
    Jul 2011
    Posts
    140

    Expression of an Equation

    Just a quick question. Is it correct to say that: \frac{45 - (2/3)(r^2)}{r} = \frac{45 - 3r^2}{2r}
    Follow Math Help Forum on Facebook and Google+
  2. Apr 9th 2012, 04:44 PM #2
    skeeter
    skeeter is offline
    MHF Contributor
    skeeter's Avatar
    Joined
    Jun 2008
    From
    North Texas
    Posts
    15,774
    Thanks
    3496

    Re: Expression of an Equation

    Quote Originally Posted by GrigOrig99 View Post
    Just a quick question. Is it correct to say that: \frac{45 - (2/3)(r^2)}{r} = \frac{45 - 3r^2}{2r}
    no, more like ...

    \frac{45 - (2/3)(r^2)}{r} \cdot \frac{3}{3} = \frac{135 - 2r^2}{3r}
    Follow Math Help Forum on Facebook and Google+
  3. Apr 9th 2012, 05:04 PM #3
    GrigOrig99
    GrigOrig99 is offline
    Member
    Joined
    Jul 2011
    Posts
    140

    Re: Expression of an Equation

    Ok, ty.
    Follow Math Help Forum on Facebook and Google+
« Finding period of a tan function with x^2 as an exponent | Continuous functions »

Similar Math Help Forum Discussions

  1. Create sum expression from algebraic expression
    Posted in the Calculus Forum
    Replies: 20
    Last Post: Jan 15th 2012, 09:30 AM
  2. Write the trigonometric expression as an algebraic expression in U
    Posted in the Trigonometry Forum
    Replies: 6
    Last Post: Oct 6th 2011, 01:48 PM
  3. Rational equation, rational expression, simplifying,
    Posted in the Algebra Forum
    Replies: 2
    Last Post: Dec 8th 2009, 06:48 AM
  4. Expression of three equation linear in Ax=b form
    Posted in the Algebra Forum
    Replies: 5
    Last Post: Oct 16th 2009, 06:58 PM
  5. equation with rational expression help please
    Posted in the Algebra Forum
    Replies: 2
    Last Post: Dec 4th 2007, 02:41 AM

Search Tags


/mathhelpforum @mathhelpforum