Tuesday, April 17, 2007
Algebra (Class 69)
Overview
The main question that we address today is: “Could two rules for linear functions ever have the same pairs of values? If yes, how can we find them? If no, why not?”
Textbook Sections
§9-2 Txt. (p.417) The Substitution Method
Key Attitudes
Mathematics is about generalizing and applying patterns.
Key Ideas
If lines intersect, then they will have a pair of values that are the same.
At a point of intersection, the x and y values for both rules are the same.
Key Skills
Drawing and labeling a coordinate graph.
Plotting points on a coordinate graph.
Determining the coordinates of points on a coordinate graph.
Finding the slope of a line given two points.
Finding the y-intercept using equations.
Operations with integers and positive or negative rational numbers.
Handouts
No Handouts Posted
Assignment
§9-2 (Txt. p.419)#1-6
Practice Work Sheet
Disclaimer- The assignment as stated in class is the official assignment. Every effort is made to keep this posting accurate, but you should refer to what was stated in class as the final word.
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