Chapter 5: Linear Systems Name
Section 1: Using Graphs & Tables Date
Topics in Algebra 1 © 2001, 2002 Texas Instruments Student Worksheet 5-3
Activities (continued)
c. Check that the equations are written in slope-intercept form,
y = mx + b. This prepares you to enter the system into your
calculator. You will also have to change the variable. Notice that
the cost, C, is the dependent variable (Y) and the number of days,
D, is the independent variable (X). Write the equations so you can
enter them in your calculator.
Y1= _________________
Y2= _________________
d. Use a table to find the cost of the entry to the lake with and
without membership. When is the entry cost without membership
equal to the entry cost with membership?
e. If Pat’s family goes to the lake 6 times this summer, should they
join the Blue Lake Club to save money? Why?
f. If Pat’s family goes to the lake 10 times this summer, should they
join the Blue Lake Club to save money? Why?
Challenge: Learn how to take a picture of a screen on your
calculator using TI Connect™ software or TI-GRAPH LINK™
software and cable. You can paste a screen into a word processor
and then print it out to hand in for your homework! Go to
http://education.ti.com and search for TI Connect or
TI-GRAPH LINK.
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