How do you evaluate #abs(9-5)-abs(6-8)#?
1 Answer
Dec 29, 2016
Explanation:
The
#color(blue)"absolute value"# is always#color(red)"positive".# This is because it gives a measure of how far a value is from zero.
#rArr|-4|=|4|=4# since - 4 and 4 are both 4 units from zero.
#rArr|9-5|-|6-8|=|4|-|-2|=4-2=2#