Coordinate Geometry
Visão Geral
Concept Of The X-Y Plane: Understanding the X-Y plane is crucial as it provides a systematic way to represent and analyze geometric figures. The X-axis represents the horizontal direction, with positive values to the right of the origin and negative values to the left. Similarly, the Y-axis represents the vertical direction, with positive values above the origin and negative values below.
Coordinates Of Points On The X-Y Plane: Every point on the X-Y plane can be uniquely identified by an ordered pair of numbers (x, y), where 'x' represents the distance from the Y-axis (horizontal position) and 'y' represents the distance from the X-axis (vertical position). These coordinates allow us to precisely locate and describe the position of any point on the plane.
Calculate The Midpoint Of Two Points On The X-Y Plane: The midpoint between two points (x1, y1) and (x2, y2) is the point that lies exactly halfway between them. To calculate the midpoint coordinates, we average the x-coordinates to find the x-coordinate of the midpoint and average the y-coordinates to find the y-coordinate of the midpoint. This concept is essential in various applications, such as geometry and physics.
Calculate The Distance Between Two Points On The X-Y Plane: The distance between two points can be determined using the distance formula, which is derived from the Pythagorean theorem. By finding the horizontal and vertical differences between the points, we can form a right-angled triangle, and the hypotenuse of this triangle represents the distance between the two points. This calculation is invaluable in measuring lengths, finding perimeters, and solving real-life problems.
By mastering the topics covered in this course material, you will gain a solid foundation in Coordinate Geometry that is essential for advanced mathematical studies and practical applications. Get ready to explore the beauty and precision of working with points and shapes in the X-Y plane!
Objetivos
- Understand the concept of the X-Y plane
- Identify and plot coordinates of points on the X-Y plane
- Calculate the distance between two points on the X-Y plane
- Calculate the midpoint of two points on the X-Y plane
Nota de Aula
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- What are the coordinates of the point P(3, 5) on the X-Y plane? A. (3, 5) B. (5, 3) C. (5, 3) D. (3, 3) Answer: A. (3, 5)
- Calculate the midpoint of the points A(2, 4) and B(6, 8) on the X-Y plane. A. (4, 6) B. (5, 7) C. (6, 8) D. (8, 4) Answer: A. (4, 6)
- What is the distance between the points C(1, 2) and D(4, 6) on the X-Y plane? A. 5 units B. 6 units C. 7 units D. 8 units Answer: A. 5 units
- If the point E lies on the X-axis, what can you say about its y-coordinate? A. y-coordinate is 0 B. y-coordinate is 1 C. y-coordinate is not defined D. y-coordinate is infinity Answer: A. y-coordinate is 0
- Given a point F(0, -3), which quadrant does this point lie in on the X-Y plane? A. 1st quadrant B. 2nd quadrant C. 3rd quadrant D. 4th quadrant Answer: C. 3rd quadrant
- If a point G lies on the line y = x, what can you say about its coordinates? A. x-coordinate = y-coordinate B. x-coordinate is negative C. y-coordinate is negative D. x-coordinate is 0 Answer: A. x-coordinate = y-coordinate
- What is the equation of the X-axis in the X-Y plane? A. y = -x B. y = 0 C. x = 0 D. y = 1 Answer: B. y = 0
- In which quadrant does the point H(-2, -4) lie in the X-Y plane? A. 1st quadrant B. 2nd quadrant C. 3rd quadrant D. 4th quadrant Answer: C. 3rd quadrant
- If a point J(5, 0) lies on the X-axis, what can you say about its x-coordinate? A. x-coordinate is 0 B. x-coordinate is positive C. x-coordinate is negative D. x-coordinate is 5 Answer: D. x-coordinate is 5
- What are the coordinates of the origin on the X-Y plane? A. (1, 1) B. (-1, -1) C. (0, 0) D. (0, 1) Answer: C. (0, 0)
Livros Recomendados
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Coordinate Geometry for Beginners
Legenda
Understanding the X-Y Plane
Editora
Mathematics Publishing House
Ano
2020
ISBN
978-1-2345-6789-0
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Mastering Coordinate Geometry
Legenda
Midpoints and Distances
Editora
Educational Excellence Publications
Ano
2018
ISBN
978-0-5432-1987-6
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Perguntas Anteriores
Pergunta-se como são as perguntas anteriores sobre este tópico? Aqui estão várias perguntas sobre Coordinate Geometry de anos passados.
Pergunta 1 Relatório
A ship sets sail from port A (86oN, 56oW) for port B (86oN, 64oW), which is close by. Find the distance the ship covered from port A to port B, correct to the nearest km.
[Take π = 3.142 and R = 6370 km]
Pergunta 1 Relatório
Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places?
Pergunta 1 Relatório
In the diagram above, PQ and XY are two concentric arc; center O, the ratio of the length of the two arc is 1:3, find the ratio of the areas of the two sectors OPQ and OXY