Growth and decay (Edexcel GCSE Maths): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What is compound interest?
What is compound interest?
Interest on original + accumulated interest
What is the growth multiplier for a 15% increase?
What is the growth multiplier for a 15% increase?
What is the decay multiplier for a 12% decrease?
What is the decay multiplier for a 12% decrease?
A multiplier of represents:
A multiplier of represents:
A decay of 5%
In the formula , what does mean?
In the formula , what does mean?
Number of time periods
£40,000 invested at 3% compound interest for 3 years gives what final balance?
£40,000 invested at 3% compound interest for 3 years gives what final balance?
£43,709.08
5,000 cells increase by 20% daily. How many cells are there after 4 days?
5,000 cells increase by 20% daily. How many cells are there after 4 days?
10,368 cells
A £15,000 car loses 8% value yearly. What is its value after 3 years?
A £15,000 car loses 8% value yearly. What is its value after 3 years?
£11,620.32
Why doesn't a car losing 8% yearly lose the same amount each year?
Why doesn't a car losing 8% yearly lose the same amount each year?
It loses 8% of current value each time
Which multiplier represents growth?
Which multiplier represents growth?
Greater than 1
How should population values be rounded?
How should population values be rounded?
To whole numbers