Chapter 3: Linear Functions Section 2: Slope Using Coordinates
Topics in Algebra 1 © 2001 Texas Instruments Teacher Notes 3-15
Student Worksheet Notes with Answers
Overview
Tell students:
1. How to find the
Overview
, or tell them to review the instructions on the worksheet.
2. How to navigate the application, if they are not yet familiar with the application.
3. To scroll through the
Overview
on the calculator. Point out new terms, definitions, and
concepts, and tell students to look for them as they go through the
Overview
.
Observations
The
Observations
help students understand mathematical concepts relating to finding the slope
using graph coordinates.
If necessary, tell students how to find the
Observations
for this section.
Observation 1
Is any set of three points collinear?
Three points may be collinear, but are not necessarily collinear.
Observation 2
Find the slope of the line through (2,3) and (
L
4,8).
Students can pick either point as (x
1
,y
1
) and (x
2
,y
2
) to compute the
slope using the formula.
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