Today’s lesson was about solving equations when the variable is in the exponent. The trick is to get both sides of the equation to be in terms of the same base, which is why having a good familiarity with various powers of bases 2-10 is so useful (and why I’ve been quizzing you on these daily).

## Today’s Files

- HW 5.4 – Solving Equations Using Base Equality
- Notes
- Video Archive
- Review of existing exponent shortcuts (From Algebra 1)
- Negative exponents
- Evaluating rational exponents
- Solving radical equations (you can stop at the 5:00 mark, as the examples after that point are beyond what we will do in this class)
- Solving for variable in exponent using base equality

## Cumulative IXL Modules

- L.13 Solve radical equations
- M.1 Evaluate rational exponents
- M.2 Multiplication with rational exponents
- M.3 Division with rational exponents
- M.4 Power rule
- M.5 Simplify expressions involving rational exponents I
- M.6 Simplify expressions involving rational exponents II
**S.4 Solve exponential equations using factoring**