3 years ago

Evaluate | –2 | = ?.

Mathematics

2 answers:

PSYCHO15rus [73]3 years ago

4 0

Answer:

Step-by-step explanation:

We are taking the absolute value of -2. Absolute value or "|" means that any number whether its negative or positive turns or stays at being positive. So...

|-2| -> 2

Best of Luck!

cupoosta [38]3 years ago

3 0

Answer:

-2

Step-by-step explanation:

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1+1=2 thats the answer first one to respond gets brainliest XD

dalvyx [7]

Answer:

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Step-by-step explanation:

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3 0

3 years ago

What is the vertex of f(x)=-x^2-8x

frez [133]

$\bf f(x) = -x^2-8x\implies f(x) = -x^2-8x+0 \\\\[-0.35em] ~\dotfill\\\\ \textit{vertex of a vertical parabola, using coefficients} \\\\ f(x)=\stackrel{\stackrel{a}{\downarrow }}{-1}x^2\stackrel{\stackrel{b}{\downarrow }}{-8}x\stackrel{\stackrel{c}{\downarrow }}{+0} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left(-\cfrac{-8}{2(-1)}~~,~~0-\cfrac{(-8)^2}{4(-1)} \right)\implies \left( -4~~,~~0+\cfrac{64}{4} \right)\implies (-4~,~16)$