endermencool800 endermencool800

16-11-2021
Mathematics

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Which of the following correctly shows the next two terms after -40 in the pattern?

−10, 20, −40

A: -2.5, 5

B: 80, -160

C: 80, 160

D: 60, -80

Respuesta :

reinhard10158 reinhard10158

16-11-2021

Answer:

B

Step-by-step explanation:

the pattern is clearly :

the absolute value of the next term is twice the absolute value of the previous term. and the sign flips with every new term.

so, after -40 comes then 80, then -160, then 320, then -640, ...

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