Unit Plan
Oswego City School District

Regents Exam Prep Center: Quadratic Equations, Discriminant, Quadratic Formula

For Teachers 9th - 10th Standards
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...
Activity
Oswego City School District

Regents Exam Prep Center: Solving Quadratic Equations With Complex Roots

For Students 9th - 10th Standards
These examples use the quadratic formula to solve quadratic equations. Learn what to do when the solution includes a complex number. Use the practice page and teacher resource page to enhance the lesson.
Lesson Plan
Other

Nearpod: Quadratic Equations: The Quadratic Formula

For Teachers 9th - 10th Standards
In this lesson, students will solve quadratic equations using the quadratic formula.
eBook
Math Planet

Math Planet: Algebra 2: The Quadratic Formula

For Students 9th - 10th Standards
Gain an understanding of how to solve a quadratic equation using the quadratic formula by viewing examples and a video lesson. [2:23]
Unit Plan
Sophia Learning

Sophia: Quadratic Formula Tutorial

For Students 9th - 10th Standards
Determine the use of the quadratic formula and when and why it is used to solve quadratic equations.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Quadratic Formula

For Students 9th - 10th Standards
Find a quick, concise explanation of the quadratic formula. Examples are given and clearly explained.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Use Square Roots to Solve Quadratic Equations

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Use square roots to solve quadratic equations.
Handout
Math Is Fun

Math Is Fun: Derivation of Quadratic Formula

For Students 9th - 10th Standards
The learning resource investigates the quadratic formula. Students learn how the formula is derived by completing the square and solving for x.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Use Graphs to Solve Quadratic Equations

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Learn how to use graphs to solve quadratic equations.
Unit Plan
Other

Algebra Class: Solving and Graphing a Quadratic Equation

For Students 9th - 10th
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...
Activity
Math Medics

S.o.s. Math: Quadratic Equations Quadratic Formula

For Students 9th - 10th Standards
Here you can find a general overview of the quadratic formula, complete with a full breakdown of how to come up with the quadratic formula with a quadratic equation, as well as am example of using the quadratic formula to solve a...
Unit Plan
Mangahigh

Mangahigh: Algebra: Solve Trinomials by Using the Quadratic Formula

For Students 9th - 10th Standards
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...
Unit Plan
CK-12 Foundation

Ck 12: Quadratic Formula and Complex Sums

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Solve quadratic equations with real coefficients that have complex solutions.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometric Equations Using the Quadratic Formula

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Examples of solving trigonometric equations using the quadratic formula.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Quadratic Formula

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Use the quadratic formula to solve equations and find the vertex of parabolas.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Quadratic Formula

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to use the quadratic formula.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Use Graphs to Solve Quadratic Equations

For Students 9th - 10th
[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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Comparing Methods for Solving Quadratics

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Select the best method to solve-real world quadratic equation problems.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving Quadratic Equations by Finding Square Roots

For Students 9th - 10th Standards
Thirteen problems present a variety of practice solving quadratic equations by finding square roots. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Quadratic Formula

For Students 10th - 12th Standards
[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.
Activity
Discovery Education

Discovery Education: Web Math: Using the Quadratic Formula

For Students 9th - 10th Standards
This WebMath site provides interactive problem solvers to understand the quadratic formula and solve quadratic equations by factoring. In addition to providing answers, these 'solvers' show the step-by-step method in which to get there.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Solving Quadratic Equations With Square Roots

For Students 9th - 10th Standards
Find a quick, concise explanation for how to solve quadratic equations using square roots. An example is given and clearly explained.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Graphs of Quadratic Equations

For Students 9th - 10th
Twenty-one problems present a variety of problems working with various aspects of solving and graphing quadratic equations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the...
Activity
Wolfram Research

Wolfram Math World: Quadratic Equation

For Students 9th - 10th Standards
This MathWorld site shows how to derive the quadratic formula.