Logarithm — Algebra II, what it means and where it is taught
logb y is the exponent that turns b into y.
Taught in Algebra II.
Where it is taught
What it rests on
Work through these first if this one does not settle.
- Exponent — How many times the base is used as a factor. In 53 the exponent is 3.
Practise this idea
1 question in the course bank use Logarithm, in Logarithms.
Problem 1
Write log 4 + log 25 as a single common logarithm and evaluate it.
Worked answer
2
log(4 × 25)=log 100
=2