EXAMPLE HOMEWORK SOLUTIONS

Accounting – Depreciation Straight Line, Sum of Years Digits compared.

Pert Precedence Graph: Activity Nodes: Activities and precedence input data. Quantitative Analysis, Production and Operations management, Quantitative Methods and Operations Research.

Computer Programming C++ Program – Calculate Roots Of Quadratic Equation.
Input quadratic equation 3 coefficients. Output real roots. (C compiler required)

Statistics Binomial Mean and Standard Deviation:
Given the Binomial Distribution chart, calculate the population Mean and Standard Deviation.

Statistics Binomial Distribution Probability:
Uses Binomial Distribution to calculate probability.

Statistics Chi-Square Statistic Calculation:

Statistics Calculate Pvalue by Integral of Z Function: Somewhat advanced statistical process where the pvalue is determined without tables. This example finds the area under the curve by calculus integration of the Z probability distribution formula. A TI-89 calculator was used for integration.

Statistics SPSS CrossTabulation:

SPSS CrossTabulation of Respondents:
Sex on Education ( Highest Level of education achieved). Based on the dataset “1991 U.S General Social Survey.”

Linear Regression with Excel:
This Excel spreadsheet contains a sample of regression analysis using MS EXCEL. First, the raw data is presented. A regression analysis was performed and the output is provided. Then, a scatter-plot and regresion trendline were graphed for visual purposes. Last, my brief analysis overview demostrated the interpretation of the data.

Calculus Area Under The Curve Integration: Given a polynomial function, calculate the area between the polynomial function and the x-axis.


Calculus Integration Trigonometric Substitution 1:
Calculus integration using Trigonometric Substitution Method. This is part 1. Also download Part 2.


Calculus Integration Trigonometric Substitution 2:
Calculus integration using Trigonometric Substitution Method. This is part 2. Also download Part 1.

Algebra Linear Graph given 2 points:


Quadratic Equation Solver (executable .exe) This is an executable program compiled from c++ code. Download it as a stand-alone program for your computer.

Log Equations Solutions:
log(x+2) + log(x-4) =3 Logarithm equation solved- domain restrictions eliminated.


Venn Diagrams Find the Union and Intersection sets:

Precalculus Linear Equations solutions using coefficient matrix. This pdf file contains the solution to the linear equations x+y=3 and -3x+y= -1 ,using matrices.

Precalculus Graphing Linear Inequalities:

Precalculus Long Division: