Quadratic Function – Turning Point y = -16 | GuruXpert Academy GuruXpert Academy O-Level MathematicsZIMSEC • Cambridge • GCSE • Other Syllabuses QUADRATIC FUNCTIONS Question The curve of a quadratic function crosses the x-axis when x = -1. Its line of symmetry has the equation x = 3. Find the y-coordinate of the turning point.…

Ratio Question – $126.00 Shared | GuruXpert Academy GuruXpert Academy O-Level Mathematics ZIMSEC • Cambridge • GCSE • Other Syllabuses RATIO Question Peter and John share money in the ratio 2 : 3 and Peter’s share is twice Anna’s. If Anna gets $21.00, how much is shared? Solution Peter : P      John : J…

Quadratic Equation Solving by Factorisation Solve the equation: 2x² + x − 3 = 0 [3] Solution 2x² + x − 3 = 0 Step 1: Find the product of the first and third terms Find the product of the coefficient of the first term and the constant term: (2)(−3) = −6 Step 2: Find…

Number Bases | GuruXpert Academy GuruXpert Academy O-Level Mathematics ZIMSEC • Cambridge • GCSE • Other Syllabuses NUMBER BASES O-LEVEL QUESTION Express 1 × 34 + 32 + 2 as a number in base 3 [1]. Solution Original number: 1 × 34 + 32 + 2 First, write all the powers of 3 in descending…