LCHL Maths – Indices and Logs

Leaving Cert Higher Level Maths LCHL Maths – Indices and Logs

LCHL Indices and Logs

The LCHL Indices and Logs strand — the laws of indices, the rules of logs, changing the base, and solving equations with an unknown in the power.

Your progress through this topic0 of 8 lessons

Lessons in this topic

All 8 lessons, in order — each one ticks off as you open it.

1JC revision 2Rules of logs Part 1 3Rules of logs part 2 4Changing the base 5Unknown in the power/ the natural log 6Quadratic Equations 1 7Quadratic Equations 2 8Log Problems

Laws of indices

Product law — Product lawIndices and Logs 1

Quotient law — Quotient lawIndices and Logs 1

Power of a power — Power of a powerIndices and Logs 1

Fractional index — Fractional indexIndices and Logs 1

Negative index — Negative indexIndices and Logs 1

Laws of logarithms

Log ↔ index — Log ↔ indexIndices and Logs 2

Product law — Product lawIndices and Logs 3

Quotient law — Quotient lawIndices and Logs 3

Power law — Power lawIndices and Logs 3

Change of base — Change of baseIndices and Logs 4

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Jump straight to the fully worked solution for that paper.

2023 Paper 1 Q2 →2023 Paper 1 Q3 →2023 Paper 1 Q9 →2021 Paper 1 Q3 →2020 Paper 1 Q3 →

Topic Content

0% Complete 0/8 Steps

Indices and Logs 1 – JC revision

Indices and Logs 2 – Rules of logs Part 1

Indices and Logs 3 – Rules of logs part 2

Indices and Logs 4 – Changing the base

Indices and Logs 5 – Unknown in the power/ the natural log

Indices and Logs 6 – Quadratic Equations 1

Indices and Logs 7 – Quadratic Equations 2

Indices and Logs 8: Log Problems