Practice Flashcards: National 5 Mathematics: applications | Zestly

Question 1

Appreciation formula

Accepted Answer

Value after $n$ years = $	ext{Initial Value} 	imes (1 + r)^n$. Example: $100 	imes 1.05^2 = 110.25$.

Question 2

Depreciation formula

Accepted Answer

Value after $n$ years = $	ext{Initial Value} 	imes (1 - r)^n$. Example: $100 	imes 0.90^2 = 81$.

Question 3

Reverse percentage

Accepted Answer

Divide the final value by the multiplier. Example: If $120\% = 60$, then $100\% = 60 \div 1.2 = 50$.

Question 4

Dividing fractions

Question 5

Vector addition

Question 6

Vector magnitude

Question 7

Interquartile range

Question 8

Percentage saved

Question 9

Mixed number to improper fraction

Question 10

Vector components