coordinate geometry

posted by .

Find the value of x such that PQ=QR where the coordinates of P,Q and R are [6,-1], [1,3]and[x,8] respectively

  • coordinate geometry -

    PQ2 = 52 + 42
    QR2 = (x-1)2 + 5^2

    Looks like x-1 = 4 or x=5

  • coordinate geometry - PS -

    or, x-1 = -4 making x=-3

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math,algebra II

    can someone show me examples of what is a practical application of matrices or matrix operations that can be used in a real-world situation. Simple example: Coordinate transformation. An object is located at coordinates (x,y,z) in …

    Find the coordinates of the midpoint for the following equation: y = -2x^2 + 20x + 1. Your answer should be in the form (x-coordinate, y-coordinate). (Hint: Find the x-coordinate by using the Midpoint Formula [-b / (2a)]. Then find …
  3. geometry

    if the coordinates of R and S are x and y, respectively, what is the coordinate of T, the midpoint of segment RS?
  4. math(geometry

    W and Z are coordinates of OR and ST respectively. In parts (a)-(c) find coordinates of W and Z
  5. geometry

    in an equilateral triangle RST, R has coordinates (0.0)and T has coordinate of (2a,0).Find the coordinates of S in terms of a.
  6. Geometry

    1) find the coordinate of the image of point (1,2) translated left 2 units and reflected over the x -axis 2) Find the coordinate of the image of the point (2, -4) reflected over the x-axis 3) Determine the midpoint of the segment whose …
  7. Coordinate Geometry

    Please help!!!!! The points A,B,C,D have coordinates (3,3), (8,0), (-1,1), (-6,4) respectively. a) Find the gradients of the lines AB and CD b) Show that ABCD is a parallelogram c) Find the coordinates of the point of intersection …
  8. Geometry

    The points A,B,C,D have coordinates (3,3) (8,0) (-1,1) (-6,4) respectively. Find the coordinates of the point of intersection of the diagonals AC and BD?
  9. math

    Two points P and Q have coordinates (-2, 3) and (1, 3) respectively. A translation map point P to P’ (10, 10) (a) Find the coordinates of Q’ the image of Q under the translation (b) The position vector of P and Q in (a) above are …
  10. Maths

    Coordinate Geometry A=(7,4) B=(2,0) Gradient of AB = 4/5 Equation of AB in ax+by=0 for is 4x-5y-8=0. The length of AB in surd form is root41. The point C has coordinates (2,t), where t>0 and AC=AB. a) find the value of t. b) without …

More Similar Questions