El Paso Community College
Quadratic Equations
This resource has everything you need to know about solving quadratic equations. Factoring, completing the square, the quadratic formula, and using the discriminant are all there with with worked out examples and a 25 problem activity...
Virginia Department of Education
Quadratic Equations
Review the multiple methods of solving quadratic equations through an analysis of the discriminant. Scholars use the discriminant to determine the best solution method and then solve various equations. As a challenge, learners build...
Curated OER
Studying Solutions of Quadratic Equations
In this algebra worksheet, students solve 8 quadratic equations by using the discriminant. They write the quadratic equation for 7 problems from the solution sets. Three of the solution sets contain imaginary numbers (i).
Curated OER
Quadratic Formula
Mathematicians determine the solutions of a quadratic function by looking at a graph. They use the quadratic formula to solve quadratic functions on their Ti-Nspire.
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 the...
Curated OER
Quadratic Equation - Part I
Using a graphing calculator, construct a graph and find solutions to quadratic equations. Observe additional methods of solving quadratic equations. Independently, solve solutions by using the discriminant.
EngageNY
Using the Quadratic Formula
What is the connection between the quadratic formula and the types of solutions of a quadratic equation? Guide young mathematicians through this discovery as they use the discriminant to determine the number and types of solutions, and...
Curated OER
Quadratic Formula
This worksheet is part of the TI-Nspire lesson on the quadratic formula. Pupils determine the solutions of a quadratic function by looking at a graph and the discriminant. They use the quadratic formula to solve quadratic functions on...
Ohio Department of Education
The Solution is Complex
Consider complex numbers, roots, and quadratic equations. Use the discriminate as a way to determine the nature of a quadratic's roots. Then discuss the similarities and differences between quadratics with two, one, or no real roots....
Curated OER
Solve Five Quadratic Equations Using the Quadratic Formula
In this solving quadratic equations instructional activity, students solve five quadratic equations by using the quadratic formula. Students also review using the discriminant, solving by factoring, and solving by completing the...
Rochester Institute of Technology
Roots of Quadratic Equations
A five-page worksheet packet guides young mathematicians through solving standard form quadratic equations using the quadratic formula. They can identify the radical sign, the discriminant, and see the three options for finding roots...
EngageNY
Complex Numbers as Solutions to Equations
Quadratic solutions come in all shapes and sizes, so help your classes find the right one! Learners use the quadratic formula to find solutions for quadratic equations. Solutions vary from one, two, and complex.
Curated OER
Quadratic Equations with Negative Discriminate
Solve polynomial equations of degree using different theorems and apply the zero factor theorem for unknown numbers in a quadratic equation. Also use the discriminate to find out the kind of solutions to given quadratic equations shown.
Mt. San Antonio Collage
Review: Solving Equations
While there are many types of equations to solve, the main focus here is on quadratics. Starting with a quick review of the different methods, learners are guided through the solving process and are challenged to solve higher level of...
Curated OER
Discovery Research of Quadratics
Pupils investigate the properties behind the quadratic equation. In this algebra lesson, students identify quadratic equation in the real world. They graph the parabola and identify the vertex and intercepts.
CK-12 Foundation
Discriminant
Discriminate between the types of roots. The interactive root introduces the discriminant and its connection to the types and number of roots. Pupils use a slider to view graphically the effect of the sign of the discriminant on a...
Curated OER
Regents Exam Questions: Quadratic Formula
In this quadratic formula instructional activity, learners solve 5 multiple choice quadratic equations. Students use the quadratic formula to find the roots or solutions of each equation.
Curated OER
Quadratic Equations
For this quadratic equations worksheet, students answer 15 questions about quadratic equations. Students complete the square, use the quadratic formula, write equations in vertex form, and solve quadratic equations by factoring.
Curated OER
Solving Quadratic Equations with Complex Roots
In this quadratic equations instructional activity, students solve 10 different equations that include complex roots. First, they solve for the indicated variable and express the roots of the equation in simplest form. Then, students...
Curated OER
Introduction into Quadratic Formula
Students explore quadratic equations. Using dry erase boards, students graph solutions to quadratic equations and solve problems using the quadratic formula. They explore the quadratic formula and the use of the discriminant to...
Curated OER
Quadratic Review
In this quadratic review activity, students work with an overview on how to solve and graph quadratic equations. Twelve fully worked examples are shown.
Curated OER
Five Quadratic Formula Problems With Examples
In this quadratic equation learning exercise, students solve five quadratic equations using the quadratic formula. Several fully worked examples are provided.
Curated OER
Academic Algebra II - 1st Semester Exam
In this solving quadratic equations instructional activity, high schoolers solve 60 multiple choice and short answer problems. Students complete the square, factor, multiply, and solve quadratic equations.
Curated OER
The Discriminant
In this discriminant worksheet, 9th graders solve 10 different problems related to determining the discriminant in each equation. First, they find the nature of roots in quadratic equations. Then, students determine whether each of the...