Quick questions on Geometric sequences in WACE Mathematics Applications Unit 3

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is wrong ratio from a percentage?

Show answer

15\%

decay is

R = 0.85

, not

R = 0.15

R = -0.15

What is index confusion?

Show answer

t_n = a R^{n-1}

uses

n-1

when the first term is

t_1

; check whether the problem counts from

0

1

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