
Intervals of Increase and Decrease
Presentation
•
Mathematics
•
8th Grade
•
Hard
Joseph Anderson
FREE Resource
7 Slides • 5 Questions
1
Lesson 3.5
Intervals of Increase and Decrease
2
Definition:
Increasing Function: A function is increasing when its slope is positive. (i.e. the line is pointing up)
Decreasing Function: A function is decreasing when its slope is negative. (i.e. the line is pointing down)
Interval: An interval is like a certain part of a graph. For example, if I want to look at just the parts of a graph from x = 0 to x = 3, then this would be an interval.
Subject | Subject
Some text here about the topic of discussion
3
Visuals:
4
Give the intervals the function is increasing and decreasing:
5
Give the intervals the function is increasing and decreasing:
6
Multiple Choice
Is the function increasing or decreasing?
Increasing
Decreasing
Both
Not enough information to determine
7
Multiple Choice
Is this function increasing or decreasing?
Increasing
Decreasing
Increasing and Decreasing
Neither
8
Multiple Choice
What intervals is this function increasing?
-2 to 2
0 to 1
-1 to 1
0 to 2
9
Multiple Choice
What intervals is this function decreasing?
-3 to 3
0 to 3
1 to 3
2-3 to 0
10
Multiple Choice
What intervals is this function increasing?
0 to 360
90 to 270
0 to 90 and 270 to 360
0 to 90 and 180 to 270
11
Conclusion: Write two complete sentences about what you learned today.
12
Rate Yourself:
4: I understood this so well, I knew how to do the problems without Mrs. Miller teaching me how to do them.
3: I did pretty well on this assignment, after Mrs. Miller taught me how to do it I had very few errors.
2: I did ok on this assignment, I had errors finding my answers, but after seeing the teacher do it I could recreate their work.
1: I did not follow on this assignment. Without Mrs. Miller showing me every step I would not be able to solve these problems.
Lesson 3.5
Intervals of Increase and Decrease
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