Positive/Negative and Increasing/Decreasing Intervals

Flashcard
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an increasing interval in a function?
Back
An increasing interval is a range of x-values where the function's output (y-values) increases as x increases.
2.
FLASHCARD QUESTION
Front
What is a decreasing interval in a function?
Back
A decreasing interval is a range of x-values where the function's output (y-values) decreases as x increases.
3.
FLASHCARD QUESTION
Front
How do you identify increasing intervals on a graph?
Back
Look for sections of the graph where the slope is positive (the graph rises as you move from left to right).
4.
FLASHCARD QUESTION
Front
How do you identify decreasing intervals on a graph?
Back
Look for sections of the graph where the slope is negative (the graph falls as you move from left to right).
5.
FLASHCARD QUESTION
Front
What does it mean if a function is constant on an interval?
Back
A constant interval is where the function's output does not change as x changes; the slope is zero.
6.
FLASHCARD QUESTION
Front
What is the notation for an interval?
Back
Intervals are often written in parentheses (a, b) for open intervals or brackets [a, b] for closed intervals.
Tags
CCSS.6.EE.B.8
7.
FLASHCARD QUESTION
Front
What is the significance of endpoints in intervals?
Back
Endpoints can indicate where a function changes from increasing to decreasing or vice versa; they may or may not be included in the interval.
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