4. P(-2,-4), Q(-5,-2), R(2,1) and S are the vertices of a parallelogram. Findthe coordinates of M , the point of intersection of the diagonals and of S.(ans.: M(0,-3/2), S(5,-1))5. Calculate the area of the triangle formed by the line 3x-7y+4 =0 , and the(ans.: 8/21)axes.

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Answered: . Calculate the area of the triangle…

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Geometry

. Calculate the area of the triangle formed by the line 3x-7y+4 =0 , and the (ans.: 8/21) axes.

Intermediate Algebra

10th Edition

ISBN:9781285195728

Author:Jerome E. Kaufmann, Karen L. Schwitters

Publisher:Jerome E. Kaufmann, Karen L. Schwitters

Chapter7: Equations And Inequalities In Two Variables

Section7.3: Distance And Slope

Problem 13PS

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Concept explainers

Coordinate Geometry

Coordinate geometry, also known as analytic geometry or Cartesian geometry in classical mathematics, is a type of geometry that is studied using a coordinate system. Coordinate geometry is a branch of mathematics that describes the position of points on a plane using an ordered pair of numbers called coordinates.

Question

4. P(-2,-4), Q(-5,-2), R(2,1) and S are the vertices of a parallelogram. Find
the coordinates of M , the point of intersection of the diagonals and of S.
(ans.: M(0,-3/2), S(5,-1))
5. Calculate the area of the triangle formed by the line 3x-7y+4 =0 , and the
(ans.: 8/21)
axes.

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