Algebra II Concepts
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Objective
I can use interval notation to represent the intervals where a function is increasing or decreasing, as shown on a graph.
Part 1 of 3
Warm-up video
Unknown Channel · 5:00
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
12 questions
Explain the difference between an open interval and a closed interval. Give an example of each using a number line.
Represent the set of all real numbers greater than or equal to -5 using both an inequality and interval notation.
Part 3 of 3
Exit ticket
Quick comprehension check
“A function is increasing from x = -5 (inclusive) to x = 2 (exclusive). Express this interval using interval notation. A function is decreasing from x = -∞ to x = 0 (inclusive). Express this interval using interval notation. ”
Sample answer included in the free materials
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