Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Quadratic Functions in Intercept Form

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Understanding the graphs of a parabola given equations. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Activity
Texas Instruments

Texas Instruments: Graphing Families of Quadratic Functions

For Teachers 9th - 10th Standards
Students can use the Transform app to explore families of quadratic functions. Generalization about the effect of a, b and c coefficients have on the shape and position of the graph in general form, and the effect of a, h, and k in...
Interactive
Quia

Quia: Graphing Quadratic Functions

For Students 9th - 10th Standards
Jeopardy type of a game will ask students to practice working with the three forms of quadratic equations. Can they: identify the form of equation, find the vertex, find the x-intercepts, identify what the graph looks like?
Lesson Plan
Annenberg Foundation

Annenberg Learner: Insights Into Algebra 1. Workshop 4

For Teachers 9th - 10th Standards
Determine the height of a bouncing ball by creating a quadratic function for each.
Activity
Texas Instruments

Texas Instruments: Parabolas: Numb3 Rs: Structural Corruption

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson helps students understand how changing the values of y=a(x-b)^2+c changes the graph of the associated parabola. This is framed in the context of a bridge jumper, who enters the...
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,...
Activity
Texas Instruments

Texas Instruments: Transforming Parabolas

For Teachers 9th - 10th Standards
1. Students will be able to review how to find the vertex of a parabola using a graphing calculator. 2. Students will be able to observe the relationship between the values of a, h and k and the graph of a parabola in vertex form. 3....
Website
Purple Math

Purplemath: Conics: Parabolas: Introduction

For Students 9th - 10th Standards
This reference material introduces the terms and equations related to parabolas in the context of conics. Also, relates concepts to previously-learned material and shows how to 'read' from the 'conics' form of the parabola equation.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Vertical Line Test

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to relations and what makes a relation a function.