Nyax Academy

Nyax Academy � ZIMSEC & Cambridge Maths Made Simple
� O-Level & A-Level Exam Preparation
� Step-by-step Solutio

25/02/2026

🎯 Inverse of a Matrix – Step-by-Step Exam Question Walkthrough!
In this lesson, we solve an exam-style question on finding the inverse of a 2×2 matrix using the formula method.
You’ll learn: ✅ How to calculate the determinant
✅ When a matrix has NO inverse
✅ The correct inverse formula
✅ Common mistakes students make in exams
This is a must-know topic for both ZIMSEC and Cambridge Assessment International Education O-Level Mathematics students.
If matrices confuse you, this video will make it simple and clear 🔥
Follow for more exam-focused maths content from Nyax Academy 📚✨

23/02/2026

Struggling with rationalizing the denominator in surds? 🤔 In this step-by-step walkthrough, we simplify surd expressions by removing roots from the denominator using the conjugate method. Perfect for ZIMSEC O-Level and Cambridge exam preparation!
In this lesson, you’ll learn: ✅ When to use the conjugate
✅ How to multiply correctly
✅ How to simplify your final answer fully
✅ Common mistakes students make in exams
Mastering surds makes algebra much easier — and this is a favourite exam topic! Watch till the end and try the practice question 💪📚
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21/02/2026

📈 Speed–Time Graph: How to Find Distance Travelled!
In this lesson, we solve an exam-style question on a speed–time graph and learn how to calculate the distance travelled.
Remember:
👉 Distance = Area under the speed–time graph
We’ll go step by step through:
✔ Identifying different sections of the graph
✔ Calculating area of triangles and rectangles
✔ Adding total area to get the final distance
✔ Avoiding common exam mistakes
This topic is very important for both ZIMSEC O-Level Mathematics and Cambridge O-Level Mathematics, and it often appears in Paper 1 and Paper 2 exams.
If you understand this, motion graphs will never confuse you again! 🚀
Follow Nyax Academy for more clear and exam-focused math lessons.

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