0580/21 October/November 2021 worked solutions
Cambridge IGCSE Mathematics 0580 · Paper 21 (Extended) · Calculator · 17 questions · 53 marks
- Q1Prime Numbers2 marks
- Q3Using a Calculator1 mark
- Q8Simultaneous Equations by Elimination3 marks
- Q9The Cosine Ratio2 marks
- Q10Interior and Exterior Angles of Polygons2 marks
- Q11Perpendicular Lines3 marks
- Q12Percentage Increases and Decreases3 marks
- Q13Linear Inequalities3 marks
- Q14Inverse Proportion: y = k/x3 marks
- Q15Area Factor of Similar Shapes4 marks
- Q16Pattern Sequences and Special Sequences5 marks
- Q17Rearranging Formulas4 marks
- Q18Area of a Triangle Using Sine3 marks
- Q19Algebraic Fractions3 marks
- Q20Trigonometric Graphs and Equations3 marks
- Q21Trigonometry in 3D: Cuboids4 marks
- Q22Exponential Equations5 marks
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