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Graph Linear & Quadratic Functions




 

Videos and lessons to help High School students learn how to graph functions expressed symbolically and show key features of the graph, by hand in simple cases and using technology for more complicated cases.

A. Graph linear and quadratic functions and show intercepts, maxima, and minima.

  • Graph quadratic functions expressed in various forms by hand.
  • Use technology to model quadratic functions, when appropriate.
  • Graph and find key features of piecewise-defined functions, including step functions and absolute value functions.

Common Core: HSF-IF.C.7

Related Topics:
Common Core (Functions)

Common Core for Mathematics

F.IF.7 - Graphing Functions
Linear Functions and Quadratic Functions
Given the equation find the graph.


Ex: Graph a Linear Function Using a Table of Values
This video provides and example of how to graph a linear function by completing a table of values.





Graphing Quadratic Functions in General Form or Standard Form
This video explains how to graph quadratic functions in the form f(x) =ax2+ bx + c.


Ex1: Graph a Quadratic Function in General Form
This video explains how to determine the x and y intercepts, equation of the axis of symmetry, and the vertex in order to graph a quadratic function. The function is factorable.



 

Ex2: Graph a Quadratic Function in General Form
This video explains how to determine the x and y intercepts, equation of the axis of symmetry, and the vertex in order to graph a quadratic function. The function is NOT factorable.


Graphing Quadratic Functions Using Symmetric Points
This video provides an alternative method for graphing quadratic functions using symmetric points and the vertex.




Graphing Quadratic Functions in Vertex Form
This video explains how to graph quadratic functions in the form f(x) = a(x-h)2+k.


Quadratic Functions - Find Vertex and Intercepts Using the Graphing Calculator
This video explains how to find the vertex, y-intercept, and x-intercepts of a quadratic function on the TI-84 graphing calculator.



 

Graphing Calculator




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