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

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?

#### 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 =...
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#### 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...
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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

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...
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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...
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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...
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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"

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...
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#### 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....
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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...
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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...
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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...
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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)...
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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...
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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...
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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)

#### 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...
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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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