Post a New Question

mathematics

posted by .

Given the points A(-1;-1) ,B(2;5) ,C(-1;-5/2) and D(
X;-4) andAB perpendicular to CD, determine the value of X

  • mathematics -

    AB has slope (5-(-1))/(2-(-1)) = 2
    CD has slope (-5/2-(-4))/(x-(-1)) = (3/2)/(x+1) = 3/(2x+2)

    So, we need to have

    -(2x+2)/3 = 2
    x = -4

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    this problem seems with too many numbers that i don't know where to start. or even how.I have to answer the problem on top not the one that says number 27. The problem: Geometry. For the floor plans given in exercise 27, determine …
  2. how would i solve this, math

    Geometry. For the floor plans given in exercise 27, determine whether the side through the points (2,3) and (11,6) is perpendicular to the side through the points (2,3) and (-3,18). # 27 states the following: Geometry. Floor plans …
  3. MATH

    For the floor plans given in exercise27, determine whether the side through the points (2, 3) and (11, 6) is perpendicular to the side through the points (2, 3) and (-3, 18). Compute the slopes of the two lines. If the product of the …
  4. Plz Check My Geometry

    Out of 30 questions these few I struggled with. I put what I feel was right but to be sure I would like some one to check my answers and if there wrong redirect me on how to get the correct answer.( after the = is the answer i think …
  5. Plz Check My Geometry

    Out of 30 questions these few I struggled with. I put what I feel was right but to be sure I would like some one to check my answers and if there wrong redirect me on how to get the correct answer.( after the = is the answer i think …
  6. Plz Check my Geometry(sOo0n)

    1.) Given points A(-4, 5), B(2, 3), C(0, 4) and D(5, 0), decide if AB and CD are parallel, perpendicular or neither. =Neither 2.)Given the equations y = 1x + 7 and y = 3x - 2, decide whether the lines are parallel, perpendicular or …
  7. Math 116

    1.Write an equation of the line containing the given points and parallel to the given line (3,8); x+5y=3 2. Write an equation of the line containing the given points and parallel to the given line (-3,6); 5x=9y+2 3. Write an equation …
  8. Math 116

    1.Write an equation of the line containing the given points and parallel to the given line (3,8); x+5y=3 2. Write an equation of the line containing the given points and parallel to the given line (-3,6); 5x=9y+2 3. Write an equation …
  9. Geometry; Check answers?

    Given the points A (1, 2), B (-4, 4), C (-3, -3) and D (2, -5), determine ifLINE:AB and LINE:CD are parallel, perpendicular or neither. A. parallel B. both perpendicular and parallel C. perpendicular D. neither MyANSWER: A
  10. maths

    Given that a line passes through the point , and that the line is perpendicular to the line Determine the equation of the line If sin(20-30)-cos(30-40) then the value of is 0 In a class of 40 boys, 18 passed Business Mathematics, 19 …

More Similar Questions

Post a New Question