3 years ago

Determine whether the series -20 + 100 - 500 + ... is convergent or divergent.

Mathematics

2 answers:

irinina [24]3 years ago

7 0

Answer:

Step-by-step explanation:

practice on edg 2021

storchak [24]3 years ago

3 0

it's divergent, you can actually simplify this series by combining terms in pairs

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Step-by-step explanation:

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3 years ago

Read 2 more answers

A direct variation function contains the points (–9, –3) and (–12, –4). Which equation represents the function?

vladimir1956 [14]

Answer: third option.

Step-by-step explanation:

By definition, a direct variation function has the form shown below:

$y=kx$

Where k is a constant.

Then, knowing the given points, you can calculate k with the formula for calculate the slope of a line:

$m=\frac{y_2-y_1}{x_2-x_1}=\frac{-4-(-3)}{-12-(-9)}=\frac{1}{3}$

Substituting k into $y=kx$ , you obtain:

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3 years ago