Curated OER
Parabolas
Students investigate parabolas and their equations. In this parabolas and their equations lesson, students graph quadratic equations on their graphing calculator. Students find the axis of symmetry of a parabola. ...
Curated OER
Complex Roots: A Graphical Solution
Using their Ti-Nspire to determine the solutions of parabolas, students explore the concept of complex roots. Students determine if parabolas have real or complex roots. Students determine the the axis of symmetry and the...
Curated OER
Representing Quadratics
Students represent quadratic equations using different methods. In this algebra lesson, students solve quadratics using substitution, elimination and graphing. They relate quadratics to the real world.
Curated OER
Quadratic Rules and Graphs
Students identify the properties of quadratic equations. In this algebra lesson, students find the vertex and intercepts of a parabola. They factor quadratics and identify the zeros of the equations.
Curated OER
Quadratic Equations and Binomial Square Theorem
Students factor quadratic equations. In this algebra lesson plan, students apply the binomial square theorem to solve quadratics. They complete the square and use the complex number system to solve for the roots.
Curated OER
Solving Quadratic Equations by Graphing
Pupils solve quadratic equation by graphing. In this algebra lesson, students use the TI calculator to get a visual of their graph. They create a table of values, plot their points and graph the parabola.
Curated OER
Beginning Modeling for Linear and Quadratic Data
Learners create models to represent both linear and quadratic equations. In this algebra lesson, students collect data from the real world and analyze it. They graph and differentiate between the two types.
Curated OER
Linear and Nonlinear Functions
Students identify properties of a line. In this algebra lesson, students differentiate between functions and nonfunctions. They use the slope and y intercept to graph their lines.
Curated OER
Leap Into Exponential Functions
Young scholars use properties of exponents to solve equations. In this algebra instructional activity, students add, subtract, multiply and divide exponential functions. They graph and differentiate between exponential growth and decay.
West Contra Costa Unified School District
Investigating the Discriminant
When is finding the discriminant enough? Using the quadratic formula helps find solutions to quadratic equations, but there are times when just using the discriminant is appropriate. Use this algebra II lesson to help classes see...
Curated OER
Application of Completing the Square
A TI technology activity that helps learners to recognize and use the characteristic of a perfect square quadratic to complete the square. Additionally, they apply their knowledge to solve real-world problems.
Curated OER
Who am I? Find A Polynomial From Its Roots
High schoolers generate the equation of a polynomial given its roots and the end behavior of the function. They need to apply theorems concerning the multiplicity of roots, conjugates of irrational or imaginary roots to find a...
101 Questions
Coins in a Circle
Round and round you'll go! Learners watch as different-sized circles fill with coins. They collect data and then make a prediction about the number of coins that will fit in a large circular rug.
Curated OER
Throwing Horseshoes
Collaborative learners interpret a quadratic expression written in different forms in this task centered on throwing horseshoes.
Curated OER
Algebraic Solution of a Quadratic, Linear System
In this algebra instructional activity, students solve systems of equations using linear and quadratics. They graph their solutions on a coordinate plane. There are 5 questions with an answer key.
Curated OER
Iterating the Function over Real Numbers
Learners use a spreadsheet to find sequences of numbers. In this algebra lesson, students find the values for c of a quadratic written in standard form. They relate the behavior of the graph to the values of the equation.
Curated OER
Connecting Factors and Zeros
For this Algebra II lesson, students explore the connection between the factored form of a quadratics and the zero of a function. Students use a graphing calculator to verify factoring numerically and graphically.
Curated OER
Math TODAY for TI-Navigator System - Humidity Makes Air Feel Even Hotter ? Part II
Learners explore quadratic and cubic functions that will model the relationship between air temperature and heat index at fixed relative humidity values. They also make generalizations and apply the findings using their TI-83 Plus or...
Curated OER
Discriminating Against the Zero
Students explore the concept of quadratic equations. In this quadratic equations lesson, students find the roots or zeros of quadratic equations using the quadratic formula. Students give examples of functions with 2 real,...
Curated OER
Algebra Nomograph
Investigation of a nomograph teaches students to determine the rule of a function by examining the input and output values. Students use a nomograph on their Ti-Nspire to determine the function rule. Students make a scatter...
Texas Instruments
Math TODAY for TI-Navigator System - Is Leisure Time Really Shrinking?
High schoolers organize data from the USA TODAY Snapshot, "Is leisure time really shrinking?" into two scatter plots and determine the quadratic model for each scatter plot. They determine if these graphs intersect and learn the concept...
Curated OER
Graphing at all Levels: It's a Beautiful Thing!
Mixing math and art is done in this instructional activity by applying graphing knowledge to create a unique piece of art. This instructional activity varies acording to the graphing knowledge of the artist. First, learners identify and...
Curated OER
Exploring Complex Roots
In exploring the concept of complex roots, students find the axis of symmetry and roots of parabolas. Then, they discuss what makes a solution complex and how to identify functions with complex roots.
Virginia Department of Education
Transformational Graphing
Find relationships between the structure of a function and its graph. An engaging instructional activity explores seven parent functions and their graphs. Learners match functions to their graphs and describe transformations.