Geometry

posted by .

If M is the midpoint of line AB.How do i Find the coordinates of B given A(4,-2) and M(1,3).

M = (A + B)/2 ---->

B = 2 M - A = 2(1,3) - (4,-2) =

(2-4,6+2) = (-2,8)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. geometry

    Given the coordinates of one endpoint of line segment AB and its midpoint M, find the coordinates of the other endpoint. A(0,9), M(2,5)
  2. geometry

    M is the midpoint ofSymbol for segment A B.. Line segment A B, with point M as its midpoint. A M equals M B. Find the coordinates of B given A(3,8) and M(5,4)
  3. Geometry

    Find the coordinates of the missing endpoint given that S is the midpoint of line RT. T(-4,3), S(1-,5) How do you work this out?
  4. Geometry

    The midpoint of line segment AB is (1,2). The coordinates of A are (-3,6). Find the coordinates of B. I know how to figure out midpoint, but I'm having trouble figuring out how to do this problem. Any help would be appreciated. :)
  5. Geometry

    Geometric Proofs.... Write a justification for each step Given: AB = EF, B is the midpoint of Line AC and E is the midpoint of Line DF. 1. B is the midpoint of Line AC and E is the midpoint of Line DF. 2. Line AB is congruent to Line …
  6. Geometry; Check answers?

    For each graph, find (a)AB to the nearest tenth and (b)the coordinates of the midpoint of AB. 1. Coordinates are A(-9, -6) B(6,6) D=19.2 Midpoint=(1.5,-6) 2.A(-2,-2) B(8,-6) D=10.77 midpoint= (3,-4) 3. A(0,3) B(-2,-2) D=5.4 Midpoint= …
  7. GEOMETRY MIDPOINT FORMULA steve how did this hapn

    If a line is extended from A (2,3) through B ( -2, 0 ) to a point so that AC = 4ab Find the coordinates of C Please help thanks so much GEOMETRY MIDPOINT FORMULA - Steve, Thursday, January 30, 2014 at 11:58am B-A = (-4,-3) C-A = 4(B-A) …
  8. geometry

    One endpoint and the midpoint of a segment are given. Find the coordinates of the other endpoint. Show all your work. A. Endpoint: (-1,9) Midpoint: (-9,-10) Endpoint: _______ B. Endpoint: (9,-10) Midpoint: (4,8) Endpoint: ________
  9. geometry

    question is: find the coordinates of midpoint P of line BC. Calculate lengths of AP, BP, CP. P is ?
  10. Geometry

    M is the midpoint of line AN, A has coordinates (-6,-6) and M has coordinates (1,2). Find the coordinates of N.

More Similar Questions