Question

rabish tells his daughter aarushi 7 years ago I was 7 time as old as you will be if present age of aarushi and rabish R ,x and y respectively represent this situation algebraically as well as graphically ​

Answer 1

Answer:

Answer :-

Let the present age of Aarushi and Ravish be x and y years respectively,

According to the first condition we get,

7 year ago Aarushi age will be (x - 7) years

7 year ago Ravish age will be (y - 7 ) years

7 year ago there age will be

( y - 7) = 7(x - 7)

Simplifying the given equation we get,

7x - y - 42 = 0 ---(1)

According to the second condition we get,

3 years from now Aarushi age will be (x + 3) years

3 years from now Ravish age will be (y + 3) years

3 years from now there age will be

(y + 3) = 3( x + 3)

Simplifying the given equation we get,

3x – y + 6 = 0 ---(2)

From equation (1)

Substituting x or y value to get the corresponding value

7x - y - 42 = 0

x = 6

y = 0

(6,0)

x = 5

y = -7

( 5,-7)

In equation (2)

x = 0

y = 6

(0,6)

x = -2

y= 0

(-2,0)

Step-by-step explanation:

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