Question

If on a number line, co-ordinates of A and B are -7and -3 respectively then find d(P,Q)​

Answer 1

-10 is the correct answer

Answer 2

SOLUTION

CORRECT QUESTION

If on a number line, co-ordinates of A and B are - 7 and - 3 respectively then find d(A,B)

EVALUATION

Here it is given that on a number line, co-ordinates of A and B are - 7 and - 3 respectively

Since co-ordinates of A and B are of same sign

So Both lies in same side of the origin

Also - 3 > - 7

Hence the required d (A,B)

$\sf = |B - A|$

$\sf = | - 3- ( - 7)|$

$\sf = | - 3+ 7|$

$\sf = | 4|$

$\bf = 4$

FINAL ANSWER

d (A,B) = 4

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