Bite-Sized Math: Paper 1

Short reels on Paper 1 questions and the mistakes that cost marks. Open a reel to watch it.

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1. Quadratics

2. 1Quadratic with a given range: use the turning point
3. 2Line meets a curve at two distinct points: prove the discriminant is positive
4. 3Complete the square quickly with the Classwiz fx-991EX

5. Circles

6. 4Points of intersection of two circles: subtract the equations

7. Trigonometry

8. 5Range of trig functions: use the calculator table

9. Differentiation

10. 6Maximum or minimum of the gradient: do not set the first derivative to zero

11. Function transformations

12. 7Graph transformations: identify the stretch first, then reflections and translations
13. 8Graph transformations: the correct order of vertical and horizontal changes

14. Using your calculator

15. 9Check differentiation and definite integrals on your calculator

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