Compound Growth and Decay (Edexcel GCSE Maths): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is compound decay?
What is compound decay?
How something decreases over time
How does compound growth differ from simple growth?
How does compound growth differ from simple growth?
Change on new amount each period
In the formula , what does represent?
In the formula , what does represent?
The final amount after time period
In the compound formula, what does represent?
In the compound formula, what does represent?
The number of time periods
What multiplier represents a 5% increase?
What multiplier represents a 5% increase?
1.05
What multiplier represents a 26% decrease?
What multiplier represents a 26% decrease?
0.74
A 5% decrease converts to which multiplier?
A 5% decrease converts to which multiplier?
0.95
Which multiplier should be used for an 8% interest rate increase?
Which multiplier should be used for an 8% interest rate increase?
1.08
£1000 at 8% compound interest for 6 years equals what?
£1000 at 8% compound interest for 6 years equals what?
£1586.87
A car worth £6500 depreciates 9% yearly. What multiplier is used?
A car worth £6500 depreciates 9% yearly. What multiplier is used?
0.91
Bacteria starts at 500 cells, grows 15% daily. What formula relates to days ?
Bacteria starts at 500 cells, grows 15% daily. What formula relates to days ?
What is the first step in solving compound growth problems?
What is the first step in solving compound growth problems?
Identify the components