1. ## Absolute Value 2

Why does |a + b| not equal to |a| + |b|?

2. ## Re: Absolute Value 2

Originally Posted by harpazo
Why does |a + b| not equal to |a| + |b|?
Let $a=-5~\&~b=4$, now answer your own question,

3. ## Re: Absolute Value 2

| a + b|

|-5 + 4|

|-1| = 1

|-5| + |4|

5 + 4 = 9

1 DOES NOT EQUAL 9.

Two very different expressions.