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Interpret Graphs of Functions




 

Videos and lessons to help Grade 8 students learn how to describe qualitatively the functional relationship between two quantities by analyzing a graph (e.g., where the function is increasing or decreasing, linear or nonlinear). Sketch a graph that exhibits the qualitative features of a function that has been described verbally.

Common Core: 8.F.5


Suggested Learning Targets

  • I can sketch a graph given a verbal description of its qualitative features.
  • I can interpret the relationship between x and y values by analyzing a graph.
  • I can analyze a graph and describe the functional relationship between two quantities using the qualities of the graph.

Related Topics:
Common Core for Grade 8

Common Core for Mathematics

More Math Lessons for Grade 8

8.F.5 - Interpreting Graphs of Functions.
[8.F.5-1.0] Interpreting Functions - Common Core Standard
Describe qualitatively the functional relationship between two quantities by analyzing a graph (e.g., where the function is increasing or decreasing, linear or nonlinear).



Interpreting and Sketching Graphs (Part 1)
We analyze and describe simple time/distance graphs and learn how to draw simple graphs from a description.
Interpreting and Sketching Graphs (Part 2)


 
Compare slopes in graphs and equations.
Analyzing & Interpreting Linear Functions.


Interpreting Linear Graphs.
Constructing and interpreting a linear function.


 
Interpret the y-intercept and Slope of a Linear Model
This video provides an example of how to interpret the real life meaning of the y-intercept and slope of a linear model.
Given Linear Function, Find the Rate of Change and Initial Value
This video explains how to find the rate of change and initial value from the equation of a given linear function. The results mean of each is explained as part of an application problem.


Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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