Curated OER
Quadratic Equations and Functions
Young scholars factor and solve quadratic equations. In this algebra lesson, students identify the domain and range of the quadratic function. They graph the parabola and identify the vertex.
Curated OER
Quadratic Formula
Students factor and solve quadratic equations.In this algebra instructional activity, students identify the roots of an equation using the quadratic formula. They graph and identify the properties of a parabola.
Curated OER
Worksheet 6, Graphing Functions
In this algebra worksheet students graph a given function by completing the square. They analyze a function and tell the axis of symmetry, the intercepts, and vertex. Students identify the maximum or minimum of a graph. Students identify...
Shmoop
Functions Worksheet 6
Instead of the typical function application problems, learners think a little deeper through these ten problems. Multiple types of functions are represented and the questions add a variety of thinking to practice their skills.
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
Word Problems
In this algebra worksheet, learners solve word problems using algebra. They factor using the quadratic formula and complete the square. There are 4 problems with an answer key.
Curated OER
Ellipses (Part 1)
Students work with Ellipses in Algebra II. In this algebra lesson, students solve an equation with a radical expression. They graph ellipses and write an equation for them.
Inside Mathematics
Functions
A function is like a machine that has an input and an output. Challenge scholars to look at the eight given points and determine the two functions that would fit four of the points each — one is linear and the other non-linear. The...
College Board
Random Variables vs. Algebraic Variables
Variables can vary in meaning. A reference material for AP® Statistics explains the difference between random and algebraic variables. It provides a hypothetical situation involving dice—great for use in a classroom situation.
Curated OER
Applications of Quadratic Functions
In this math learning exercise, students investigate the quadratic functions. They solve the word problems while writing the new algebra expressions.
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 Equation Calculator
In this Algebra II worksheet, 11th graders use an online quadratic equation solver to find the zeros of a quadratic. The one page interactive worksheet provides one worked example and the equation solver.
PBS
Pbs: String Product: Finding the Y Intercept
Examine how a giant piece of art at the National Museum of Mathematics reveals some unexpected relationships between coordinates on a parabola. This video focuses on the relationship between negative and positive points on the parabola...
Concord Consortium
Concord Consortium: Graphing Quadratic Equations
Students learn to graph the equation of a quadratic function using the coordinates of the vertex of a parabola and its x-intercepts.
Texas Education Agency
Texas Gateway: Analyzing Graphs of Quadratic Functions
Given the graph of a situation represented by a quadratic function, the student will analyze the graph and draw conclusions.
CK-12 Foundation
Ck 12: Algebra: Quadratic Functions and Their Graphs
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to find the x-intercepts, vertex, axis of symmetry, and y-intercept of a parabola.
ClassFlow
Class Flow: Solve by Completing the Square
[Free Registration/Login Required] This flipchart explores the steps for solving quadratics by completing the square.