Chapter 3: Linear Functions Name
Section 3: Slope as Rate of Change Date
Topics in Algebra 1 © 2001 Texas Instruments Student Worksheet 3-20
Activities
(continued)
Scoring
:
You get one
attempt to select the
correct row. If you select
an incorrect row, the
correct row is identified.
Dive
1. Take a dive in the submarine. Record the times and positions
in the table below.
2. Calculate the rate of change (slope) of each segment in the
table below. Show all your work. Include the correct units.
3. After the third segment, the next screen displays three rows
of three rates. Use your rate answers from the table to
determine the correct row. To select a row, press
#
or
$
to
move the submarine cursor, and then press
b
.
4. Did you select the correct row?
Segment Start Time Start
Position
Stop Time Stop
Position
Speed
(include units)
1
2
3
Car Trip Word Problem
A car takes a 20-minute trip. The car starts at home, (0,0). It travels
6 miles in 10 minutes. The car stops in traffic for 5 minutes. The
driver forgot something at home so the car returns in 5 minutes.
Draw a straight-line graph of the trip. Write the rate of change for
each leg of the trip on the graph to the right.