Rules Tables Graphs Relationships

RulesTablesGraphs

09/20/07 alg_2H Bitsy Griffin 1

Rules, Tables, Graphs
are related
Use calculator to move
back and forth

Given the Rule
Put the rule in
Y=
Get the table
2nd Graph
Write down x’s and y’s
Use the x’s -5, -2, 0, 2, 5

Given the Rule
Graph the data
Graph
Sketch on your paper

Sketching Graphs
Make sure graph is big
enough to see
Show x & y intercepts
(where graph crosses
axes)

Given a Table
Enter data into
calculator
Turn on stat plot and
graph the data

Given a Table
Determine the shape of
the data
Determine what type of
equation it is

Given a Table
Ifdata is a line
Stat > Calc > 4


Given a Table
If
data is a
parabola
Stat > Calc > 5


Given a Table
Use numbers on table to
graph


Given a Graph
If it’s a line:
Choose 2 obvious points
from the graph


Given a Graph
Ifit’s a parabola:
Choose 3 or 4 obvious
points from the graph


Given a Graph
Make a mini table using
points from graph
Put the points into L1
and L2

Given a Graph
Find the equation


Choosing
points


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