Question

find d (p,q), if co-ordinates of p and q are -9 and -1 respectively​

Answer 1

SOLUTION

GIVEN

The co-ordinates of p and q are - 9 and - 1 respectively

TO DETERMINE

d (p,q)

EVALUATION

Here it is given that the co-ordinates of p and q are - 9 and - 1 respectively

Since co-ordinates of p and q are of same sign

So Both lies in same side of the origin

Also - 1 > - 9

Hence the required d (p,q)

$\sf = |q - p|$

$\sf = | - 1- ( - 9)|$

$\sf = | - 1 + 9|$

$\sf = | 8|$

$\bf = 8$

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