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LET Review · General Education MathematicsLICENSURE REVIEWS
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LET Review · General Education Mathematics · Topic 1 · 1 of 16

Patterns, Fibonacci and the golden ratio

Read number patterns, extend sequences, and see the Fibonacci numbers and the golden ratio at work in nature and design.

LET-style drill: Patterns, Fibonacci and the golden ratio

5 questions · Choose an answer or write your response, then check your work. Free preview: your answers are checked here and not saved.

1. What is the sum of the first 6 terms of 4, 12, 36, …? (1 point)
2. A theatre has 24 seats in the first row and 2 more in each row after it. How many seats are in the first 9 rows? (1 point)
3. In the Fibonacci sequence, F(15) = 610 and F(16) = 987. What is F(18)? (1 point)
4. The fraction 89/55 is closest to which value? (1 point)
5. A culture of 100 bacteria doubles every 6 hours. How many bacteria are there after 24 hours? (1 point)

Practise again

Regenerate the questions for a fresh round with new numbers. Concept questions come back reshuffled. Keep going until you master the lesson.

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