Math 120 SP08
Section 2.2 Notes Using Matrices to Solve Problems
Brodnick
Elementary Row Operations: (will not change the solution of a system of equations) *Write the operation next to the row to be changed* 1. Replace a row with a multiple of th
Math 120 SP08
Section 7.4 Notes Probability & Counting Techniques
Brodnick
Directions: First, set up each problem. Then, go back and compute the answers. Round your answers to 4 decimal places, if necessary. (Remember: AND OR +) A bag contains
Math 120 SP08 SBrodnick
1.3: Linear Functions
1.3: Linear Functions
Find the equation of the line 9. through (2, -3) with slope - 10. through (-5, -4) with slope 3 11. through (1, 6) and (3, 9) * Recall: / lines have slopes that are equal lines ha
Math 120 SP08
Notes & Examples for Section 3.5: Input-Output Models
Brodnick
Application of Matrices: Used to analyze economy by considering how sectors interrelate. Consider 2 sectors, Sector 1: Oil Sector, and Sector 2: Electricity Sector Both s
Math 120 SP08 SBrodnick
8.3: Measures of Central Tendency
8.3: Measures of Central Tendency
* In the calculator. STAT, EDIT, enter values in L1 STAT, CALC, 1-var stats, ENTER On the list, x (mean), Med (median) Examples: 1. Heights of 9 women: 68
Math 120 SP08
Test #1 Review: 1.1 2.3
Brodnick
1.1: Functions from Numerical and Algebraic Viewpoints *independent variable (x), dependent variable (y) *evaluating functions at a point ("plugging in" to a function) *evaluating piece-wise function
Math 120 SP08 SBrodnick
1.2: Functions from the Graphical Viewpoint
1.2: Functions from the Graphical Viewpoint
Example: 3.Graph g(x) = -x - 8x 11 and evaluate a. g(-1) b. g(3) c. g(9) d. g(-8) + g(4) d. is g a function?
1
4
1.2: Functions fro
Math 120 SP08
Section 1.5 Notes Linear Regression
Brodnick
Calculator Steps: To get back to default settings (if a list disappears): STAT 5:SetUpEditor ENTER To turn diagnostics on (so you can see correlation coefficient r): 2nd 0 x -1 scroll do