RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 25. Graphs

Subject: Maths - Class 8th

Q. No. 3 of Exercise 25B

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3

From the graph, find the value of A, When

(i) (ii) (iii)

(i) Our point B to be plotted lies on function A = x2.

Here, first plotting A = x2.


Here, x = 2.


Now for abscissa equal to 2, we plot the point on A = x2., ie A = 22 = 4


Hence, the value of A is 4


(ii) Our point C to be plotted lies on function A = x2.


Here, first plotting A = x2.


Here, x = 3.


Now for abscissa equal to 3, we plot the point on A = x2., ie A = 32 = 9


Hence, the value of A is 9


(iii) Our point to be plotted lies on function A = x2.


Here, first plotting A = x2.


Here, x = 4.


Now for abscissa equal to 4, we plot the point on A = x2., ie A = 42 = 16


Hence, the value of A is 16


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