Section 4.4 Topics:
More equations and applications;
Logarithmic equations;
Exponential equations;
Strategy for solving equations;
Radioactive dating;
Newton's model for cooling;
Paying off a loan;
Examples.
Section 5.1 Topics:
Systems of linear equations in two variables;
Solving a system by graphing;
Independent, inconsistent and dependent equations;
The substitution method;
The addition method;
Modeling with a system of equations;
Examples.