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MATHS IGCSE QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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MATHS IGCSE QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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MATHS IGCSE QUESTIONS ANDANSWERS WITH SOLUTIONS 2024
Simple interest, how do you get r from a percentage rate? - ANSWER Interest = Principal * rate * number
of years
I = Prn
R is percentage rate ÷ 100, e.g. a rate of 6% would have the multiplier 0.06
Compound interest - ANSWER I = P * rate^no.of years (I=P*r^n)
Discrete data - ANSWER Data that can be counted (2 cars)
Continuous data - ANSWER Data that can be measured (1.7645 m)
Are the bars joined together in a histogram or a column (bar) chart? - ANSWER A histogram
y = f(x) maps onto y = k*f(x) under what transformation - ANSWER A VERTICAL stretch (invariant x-axis)
with scale factor k
Which which order would you perform transformations G,H,F and D if you saw the following as a
combination of transformations FDHG - ANSWER GHDF (reverse order!)
How to find the Interquartile Range - ANSWER Split data in half and minus the middle value in second
half from middle value in first half! NOT Q3 - Q1 STUFF
If in a quadratic sequence you have a second difference of 4, what will the coefficient of n^2 be? How
about for a second difference of 6, and 8? - ANSWER The coefficient will be 2n^2, because the coefficient
is the second difference / 2. If it is the third difference, it would be third difference / 3, the fourth /4, and
so on.
What is 2x10^6 X 3x10^3? - ANSWER 6*10^9, multiply "normal numbers" and add the tenth powers.
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