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Khan Academy

Khan Academy: Vertices and Direction of a Hyperbola

For Students 9th - 10th
Given the equation of a hyperbola, find its graph by considering its vertices and direction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
Texas Instruments

Texas Instruments: The Standard Form of a Quadratic Equation

For Teachers 9th - 10th Standards
In this activity, students explore the standard form of a quadratic equation, y = ax 2 + bx + c. They explore how the x-intercepts (zeros), y-intercept, and vertex are related to the graph of the standard form of a quadratic function.
Handout
National Council of Teachers of Mathematics

The Math Forum: Parabolas

For Students 9th - 10th Standards
A brief overview on calculating various measures of segments, like focus to vertex and vertex to directix, is given. Additionally, equations of parabolas in general, standard, and vertex forms are listed.
Whiteboard
ClassFlow

Class Flow: Exploring Quadratic Functions

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Use this interactive flipchart to allow students to explore quadratic functions in algebra.
Unit Plan
Khan Academy

Khan Academy: Features of Quadratic Functions

For Students 9th - 10th Standards
Find the zeroes ("roots") of quadratic functions and the vertex of their parabolas. Functions are given in standard, vertex, and factored form. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Quadratic Functions and Equations

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers vertex, intercept, and standard forms.