Notes WU and CW

1. Algebra WU:
pg. 242 # 40 to 43, 45 to 53 odd

2. 5.3 Rate of Change and Direct Variation pg 236 to 243
Rate of change is most often used in word problems and
APPLICATIONS of slope.
Rate of change means speed means slope
rate of change = change in distance
change in time
Means SLOPE!!!!

3. Lets review pg. 236 Example 1 and try this

4. Direct Variation pg. 238
direct variation is a type of rate of change
AND we will see it most with average speed
The speed is ALWAYS constant just like the slope is constant!
So they are the same thing just worded differently!
WHAT WILL IT MEAN?
The distance traveled at a constant speed will vary directly as
the time varies!
IN OTHER WORDS......... (as time goes on, the distance
gets bigger)