Results 1 to 4 of 4

Thread: How do you find slope-intercept

  1. Oct 6th 2009, 02:30 PM #1
    md56
    md56 is offline
    Junior Member
    Joined
    Sep 2009
    Posts
    40

    How do you find slope-intercept

    I have to write an equation y=mx+b, I know the slope (m) and a point that the line passes through (3, 2)

    Slope is 1/2
    Follow Math Help Forum on Facebook and Google+
  2. Oct 6th 2009, 02:35 PM #2
    skeeter
    skeeter is offline
    MHF Contributor
    skeeter's Avatar
    Joined
    Jun 2008
    From
    North Texas
    Posts
    14,782
    Thanks
    3006
    Quote Originally Posted by md56 View Post
    I have to write an equation y=mx+b, I know the slope (m) and a point that the line passes through (3, 2)

    Slope is 1/2
    start with the point-slope form ...

    y - y_1 = m(x - x_1)

    then convert to slope-intercept form
    Follow Math Help Forum on Facebook and Google+
  3. Oct 6th 2009, 02:36 PM #3
    mr fantastic
    mr fantastic is offline
    Flow Master
    mr fantastic's Avatar
    Joined
    Dec 2007
    From
    Zeitgeist
    Posts
    16,948
    Thanks
    8
    Quote Originally Posted by md56 View Post
    I have to write an equation y=mx+b, I know the slope (m) and a point that the line passes through (3, 2)

    Slope is 1/2
    y = \frac{x}{2} + b.

    Now substitute (3, 2) and solve for b.
    Follow Math Help Forum on Facebook and Google+
  4. Oct 6th 2009, 06:39 PM #4
    md56
    md56 is offline
    Junior Member
    Joined
    Sep 2009
    Posts
    40
    Why did I not think of that? Thanks!
    Follow Math Help Forum on Facebook and Google+
« Question | Solving Exponential Equations »

Similar Math Help Forum Discussions

  1. Find the slope and Y intercept
    Posted in the Algebra Forum
    Replies: 2
    Last Post: Apr 26th 2011, 09:50 PM
  2. Find slope and y intercept
    Posted in the Algebra Forum
    Replies: 1
    Last Post: Jun 12th 2010, 11:35 AM
  3. Find the slope and y-intercept
    Posted in the Algebra Forum
    Replies: 1
    Last Post: Dec 11th 2007, 06:32 AM
  4. How to find the y-intercept and slope.
    Posted in the Pre-Calculus Forum
    Replies: 3
    Last Post: Dec 2nd 2007, 08:52 PM
  5. Find the slope and y-intercept
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: Oct 27th 2006, 08:43 PM

Search Tags


/mathhelpforum @mathhelpforum