Question

By observing the
given number line, find which
of the following will have the
greatest value?
O a+b
Ob-a
O axb
O a= b​

Answer 1

Step-by-step explanation:

your answer is option b

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Answer 2

Given in the number line :

1. a lies on the negative side
2. b lies on the positive side

from this we get ,

=> the value of a always be negative and value of b be always positive.

to find greatest value of the following

solution:

let us assume ,

1. a = -1
2. b = +1

=> on substituting the value of a and b in given option

1. option (a): a + b = -1 + 1 = 0
2. option (b): b - a = +1 - (-1) = 2
3. option (c): a × b = (-1) × (1) = -1
4. option (d): not possible

Therefore,

Only option (b) b - a is always have greater value .