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88 Answered Questions for the topic Coordinate Geometry

Coordinate Geometry Geometry

09/11/16

Point A (0,3),B(-2,9),C(-1,4)ARE VERTICES OF TRIANGLE ABC AT A. FIND VALUE OFa

Word problem
Coordinate Geometry

09/02/16

plot the points M(5,-3),N(-3,-3).what is the length of MN ,also find the co-ordinates of a points A,B,C lying on MN such that MA=AB=BC=CN ?

CLASS 9TH MATHS  COORDINATE GEOMETRY
Coordinate Geometry Geometry Coordinates

05/26/16

Point A = (-4,3) Point B = (2,1) Point C = (-2,-3) Find the size of angle BAC?

I know that the length of AC and AB is sqrt40 and the length of BC is sqrt32. Where do I go from here?
Coordinate Geometry Geometry Algebra

05/24/16

Find the coordinates????

Quadrilateral ABCD:   the point A is (−1, −1), the point B is (3, 6) and the point C is (9, 4). D is unknown but below the x axis.     The diagonals AC and BD intersect at M. Angle BMA =... more
Coordinate Geometry Math Geometry

05/18/16

Which is the best name for a quadrilateral with vertices at (2,2), (5,-2), (1,-5), and (-2,-1)?

My math teacher didn't go over this very well and I need some help! Math isn't my best subject and I just want to understand! Thank you!
Coordinate Geometry

03/17/16

if you move (7,2) four units right and units down, what are the coordinates?

I don't understand how to shift a geometric shape on a coordinate plane and then find the coordinate 
Coordinate Geometry Linear Relations

02/08/16

Short answer questions, pls help

ABCD is a parallelogram with A and C diagonally opposite. The coordinates of A,B and C are (-3,-3),(1.-5) adn (9,1) respectively. The sum of the coordinates of point D is:
Coordinate Geometry Math

01/20/16

Coordinate Geometry

1. Find k if the following sets of lines are concurrent: y = x – 1, y = 2x + 1, y = kx + 22.Triangle formed by the lines y = x + 3, y = 3 – x and y = 2x + 6 is right-angled. b. Find the area of... more
Coordinate Geometry

01/13/16

8,5 2,-7 -1,-4 Which of the following correctly classifies the triangle?

I'm trying to figure out out how to figure out what triangle this is  
Coordinate Geometry Math Perpendicular Lines

01/11/16

Equation of Perpendicular Lines

1. Perpendicular to 3y – 2x + 11 = 0 going through (2,–2) Answer to this question = 2y + 3x - 2 =0   2. Perpendicular to 2x – 3y = 4x + 2y – 11 going through (2,10) Answer to this question = 5x... more
Coordinate Geometry Math

01/09/16

Equations of perpendicular and Parallel lines

Parallel lines:  1.  parallel to 2x – 3y + 11 = 0 going through (2,–1)  2. parallel to 3x + y = 2y – 4x + 7 going through (–2,–7) Perpendicular lines:  1. Perpendicular to 3y – 2x + 11 = 0... more
Coordinate Geometry Math

01/08/16

Coordinate geomtry. Three Questions

1. A triangle has vertices A (1,–4), B (2,3) and C (6,1). Find the equation of the median, which passes through A.    2. (d,3) lies on the graph of y = 3x + 1. Find d.  3.(k,5) lies on the graph... more
Coordinate Geometry Math

01/07/16

Find a so that the points (–3,1) (5,–2) and (a,10) are collinear. (Coordinate geomtry)

"Find a so that the points (–3,1) (5,–2) and (a,10) are collinear"      
Coordinate Geometry Math Gradient Of Straight Line

01/06/16

Two simple questions. Gradient of straight line(Coordinate geometry)

- 14. (a,b) lies on a straight line of gradient 32 . If a is increased by 6, what does b increase by?   - 15. (a,b) lies on a straight line of gradient –2. If a is increased by 2, what does b... more
Coordinate Geometry Math Geometry

01/06/16

Coordinate geometry - Midpoint of a line segment

- 5. A ship is 80 km west and 40 km north of a small island which is 20 km west and 20 km north of a port. A yacht is midway between the island and the ship. Give the position of the yacht a.... more
Coordinate Geometry Math

01/05/16

Coordinate Geometry

9. Find x so that the points (x,x+1),(x+2,x+3) and (x+3,2x+4) form a right-angled triangle.10. The points (a,10) and (–2,6) are 5 units apart. Find the value(s) of aAnyone help with these questions... more
Coordinate Geometry

10/02/15

Co-Ordinate Geometry

The equation of the line l is 5+y-2x=0. (a) Find the co-ordinates of the points where l cuts the axes.   (b) Find the slope of the line l   The line j goes through the point (11,6) and is... more
Coordinate Geometry

09/09/15

[AB] and [DE] are diameters of the circle

circle has 5 points  A (5,3) B(-1,1) C is the midpoint  D(1,5) E has no coordinates questions: i) find the co-ordinates of C, the centre of the circle ii) find the coordinates of E, the end... more
Coordinate Geometry

08/01/15

Coordinate Geometry

The points A,B,C,D have coordinates (3,-2), B(p,3), C(6,2), D(q,r) respectively.The figure ABCD is a rhombus.Find (a) the values of p,q,r (b) the area of the rhombus   (a)P=1/2 q=8.5 r=-3 (b)... more
Coordinate Geometry

07/25/15

Coordinate Geometry

The equations of the sides AB, BC, CA of the triangle ABC are y=2x, y=3x, x+y=8 respectively. Find the equation of the line through C perpendicular to AB.This line meets the x-axis in P and the... more
Coordinate Geometry

07/25/15

Coordinate Geometry

Three points have coordinates A(4,13) , B(9,3) , C(10,8). Find the equation of (a) the line AB (b) the line through C perpendicular to the line y-4x=5 (c) The line through C meets the line AB at... more
Coordinate Geometry

07/25/15

Coordinate Geometry

The line through A(3,1) perpendicular to x-4y =8 meets the x-axis at P and the y-axis at Q.Calculate the ratio PA:PQ.   Ans:  1:12 (Show working please)
Coordinate Geometry Squares Vertex

07/08/15

Coordiante Geometry

 Each side of a square is 3 cm long. One vertex of the square is at (6,4) on the square coordinate grid marked in centimeter units. What are the possible combinations of another vertex of the... more
Coordinate Geometry

07/06/15

Coordinate Geometry

Two points have coordinates A(3,1) and B(-1,5).Calculate the coordinates of P if P is on the x-axis and is equidistant from A and from B.If the figure APBQ is a rhombus,find the coordinates of Q.
Coordinate Geometry

07/06/15

Coordinate Geometry

Show that the equation of the perpendicular bisector of the points (t, t+1) and (3t, t+3) is y+tx=2t^2+t+2.If this perpendicular bisector passes through the point (5,2),calculate the values of t.

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