3 years ago

What is 2|u|-|v|, if u= -9 and v=-2? A.-18 B. -20 C. 16 D. 20

1 answer:

3 0

$\text{Put the values of u = -9 and v = -2 to the expression }2|u|-|v|:\\\\2|-9|-|-2|=2(9)-2=18-2=16\\\\Answer:\ \boxed{C.\ 16}\\\\|a|=a\ if\ a\geq0\\|a|=-a\ if\ a$

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