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Till now in question the points have already been marked and we have been asked to tell the coordinates but in NCERT Solutions for Class 9 Maths chapter 3 exercise 3.3. We have been given points to plot on the plane; for example, if we were given a point to plot in the cartesian plane, the first step would be to draw coordinate axes, and then we would choose a scale for the coordinate axis, such as 1 centimeter.
NCERT book Class 9 Maths exercise 3.3 is a foundation exercise for the branch of coordinate geometry as well as all of the chapters that will be covered in subsequent sessions. The following activities are included in Class 9 Mathematics chapter 3 exercise 3.3.
Answer:
(-2,4) lies in second quadrant
(3,-1) lies in fourth quadrant
(-1,0) lies in second quadrant
(1,2) lies in first quadrant
(-3,-5) lies in third quadrant
x | -2 | -1 | 0 | 1 | 3 |
y | 8 | 7 | -1.25 | 2 | -1 |
Answer:
So, the graph of the given points is
Chapter 3 exercise 3 in Class 9 Math offers numerous subtopics that are necessary for understanding coordinate geometry, one of which is ordered pairs. As we saw in the NCERT syllabus for Class 9 Maths exercise 3.3, Because coordinates are written as (x,y), the location of (x, y) in the Cartesian plane differs from the position of (x, y) in the Cartesian plane if x y. (y, x). As a consequence, if we swap the x and y coordinates, the location of (y, x) will be different from the position of (y, x) (x, y). This means that the order of x and y matters when it comes to how we write them (x, y). As a result, (x, y) is referred to as an ordered pair. Both x and y should be expressed exactly as they are supplied since swapping them will result in a completely different coordinate. Plotting a point in the plane if its coordinates are supplied (Exercise 3.3 Class 9 Maths) covers all forms of fundamental questions that may be generated on Plotting a point in the plane if its coordinates are given (Exercise 3.3 Class 9 Maths).
Also Read| Coordinate Geometry Class 9 Notes
Plotting a Point on the Plane if its Coordinates are Given is a basic concept covered in Class 9 Mathematics chapter 3 problem 3.1.
NCERT Class 9 Maths chapter 3 exercise 3.3, will be helpful in Class 10 Maths chapter 7 coordinate geometry as the chapter starts with assuming that we know how to plot points, locate them and which quadrant they belong.
Class 11 Mathematics chapter 10 straight line and Class 11 Maths chapter 11 conic section would benefit from NCERT solutions for exercise 3.3 Class 9 Maths chapter 3.
Exercise 3.3, Class 9 Maths, is also a foundation idea for several joint entrance test themes (JEE Main).
Also see-
We can know that by using general forms (+ , +) in the first quadrant, (–, +) in the second quadrant, (–, –) in the third quadrant and (+, –) in the fourth quadrant
One activity is covered before Class 9 Maths chapter exercise 4.1
It is a game in which we will use two dice of separate colour and then we will take coordinate as number appeared on dice as there are two dices one will show x coordinate and other will show y coordinate
Many a scale is of 1 unit =1 centimeter but if the coordinate are bigger such as (20,90);(30,80) then scale can be of 1 unit = 10 centimeter
+x and +y show positive real numbers and -x and -y show negative real numbers as cartesian planes have only real numbers.
In Class 9 Mathematics chapter exercise 4.1, there are two problems.
Before the NCERT solutions for Class 9 Mathematics chapter 4 exercise, there are two solved examples.
Question one is about telling the quadrant in which coordinate is located and in question two we have to plot the points in the cartesian plane
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As per latest 2024 syllabus. Maths formulas, equations, & theorems of class 11 & 12th chapters