EXAM 1 TOPICS LIST -- MATHEMATICS 105Q – SPRING 2006

Topics cover the content of Sections 1.2-1.5 and 2.1-2.5.

Calculators may be used but must not contain notes or formulas stored by you. Algebra steps must be shown.

· Use point-slope equations.

· Find intercepts and sketch lines.

· Apply the method of least squares to find a line.

· Formulate a linear demand equation given sufficient data.

· Find an equilibrium point (Supply and Demand).

· Name the variables in a word problem and set up a system of linear equations.

· Use the matrix form of the Gauss-Jordan method to solve a system of linear equations: Case of a unique solution.

· Break-even analysis.

· Use parameters to represent all solutions of an underdetermined system of linear equations.

· Calculate a profit (in a non-linear revenue situation).

· Write the matrix form of a system of equations.

· Do matrix algebra calculations.