EngageNY
Polynomial, Rational, and Radical Relationships
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
EngageNY
Complex Numbers and Transformations
Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...
Radford University
Sleep and Teen Obesity: Is there a Correlation?
Does the number of calories you eat affect the total time you sleep? Young mathematicians tackle this question by collecting their own data and making comparisons between others in the class through building scatter plots and regression...
Texas Education Agency
Texas Gateway: Solving Quadratic Equations Using Algebraic Methods
Given a quadratic equation, the student will solve the equation by factoring, completing the square, or by using the quadratic formula.
Oswego City School District
Regents Exam Prep Center: Quadratic Equations, Discriminant, Quadratic Formula
A wealth of resources for teachers planning classroom instruction on quadratic equations, discriminant, and the quadratic formula: six lessons covering various ways to solve equations, complete with definitions and step-by-step solutions...
CK-12 Foundation
Ck 12: Analysis: Quadratic Formula and Complex Sums
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving quadratic equations when the answers are complex numbers. Students examine guided notes, review guided practice and attempt practice...
CK-12 Foundation
Ck 12: Algebra: The Quadratic Formula: Deriving and Using the Quadratic Formula
[Free Registration/Login may be required to access all resource tools.] This lesson covers deriving the quadratic formula and using it to solve any quadratic equation.
Cool Math
Coolmath: The Quadratic Formula
Reference material and practice problems using the quadratic formula.
Sophia Learning
Sophia: Quadratic Formula Tutorial
Determine the use of the quadratic formula and when and why it is used to solve quadratic equations.
CK-12 Foundation
Ck 12: Algebra: Use Square Roots to Solve Quadratic Equations
[Free Registration/Login may be required to access all resource tools.] Use square roots to solve quadratic equations.
CK-12 Foundation
Ck 12: Algebra: Use Graphs to Solve Quadratic Equations
[Free Registration/Login may be required to access all resource tools.] Learn how to use graphs to solve quadratic equations.
Other
Algebra Class: Solving and Graphing a Quadratic Equation
Math teacher provides a unit on quadratic equations in which she explains the concepts of solving and graphing quadratic equations through numerous examples and graphs. Hyperlinks are available to each step that ultimately leads to...
Mangahigh
Mangahigh: Algebra: Solve Trinomials by Using the Quadratic Formula
Students watch an online tutorial on the concept of solving trinomials using the quadratic formula. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based on their...
CK-12 Foundation
Ck 12: Quadratic Formula and Complex Sums
[Free Registration/Login may be required to access all resource tools.] Solve quadratic equations with real coefficients that have complex solutions.
CK-12 Foundation
Ck 12: Trigonometric Equations Using the Quadratic Formula
[Free Registration/Login may be required to access all resource tools.] Examples of solving trigonometric equations using the quadratic formula.
CK-12 Foundation
Ck 12: Algebra: Quadratic Formula
[Free Registration/Login may be required to access all resource tools.] Use the quadratic formula to solve equations and find the vertex of parabolas.
CK-12 Foundation
Ck 12: Algebra: Quadratic Formula
[Free Registration/Login may be required to access all resource tools.] Learn how to use the quadratic formula.
CK-12 Foundation
Ck 12: Algebra: Use Graphs to Solve Quadratic Equations
[Free Registration/Login may be required to access all resource tools.] Determine the number of solutions to a quadratic equation and find such solutions by graphing.
CK-12 Foundation
Ck 12: Algebra: Comparing Methods for Solving Quadratics
[Free Registration/Login may be required to access all resource tools.] Select the best method to solve-real world quadratic equation problems.
CK-12 Foundation
Ck 12: Algebra: Quadratic Formula
[Free Registration/Login may be required to access all resource tools.] This lesson covers deriving the quadratic formula and using it to solve any quadratic equation.
Interactive Mathematics
Interactive Mathematics: Quadratic Equations
Using modeling, the world of quadratics is explored. Learn how to solve quadratics using methods of factoring, completing the square, and the quadratic formula. Also included are methods for graphing quadratic functions.
Khan Academy
Khan Academy: Quadratic Formula
Solve quadratic equations using the quadratic formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Quadratic Equations
A detailed tutorial that will guide you through various methods for solving quadratic equations: factoring, square root, completing the square, and quadratic formula. Follow step-by-step examples, view video problem-solving...
Khan Academy
Khan Academy: Solve Quadratic Equations Complex Solutions
Solve quadratic equations using the quadratic formula. Some of the equations have real solutions while others have complex solutions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...