Discriminant Teacher Resources

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This is a detailed lesson plan that focuses on using the discriminant to determine the nature of the roots of a quadratic equation. The lesson begins with learners investigating similarities and differences among graphs of four quadratic equations. After discussing their findings, they work in groups to complete exercises designed to develop the connections between the value of the discriminant of an equation, the nature of its roots, and the number of x-intercepts of its graph. The resource includes a good number of follow-up exercises to help solidify concepts. It also includes two optional PowerPoint presentations. 
Defining the word "discriminant" in the context of the quadratic formula, Sal continues to guide viewers through the process of quadratic equations. The true value of this video, as in Sal's entire series, is the emphasis on truly understanding the mathematical process necessary to solve the problem. Sal wants to foster a deeper learning within young mathematicians, rather than just handing them a formula and telling them to use it.
Students examine discrimination including but not focusing on the Middle East. By the end of the lesson, students relate personal examples of discrimination.
Students discuss attitudes toward different sexual orientations and how to recognize and combat homophobia and discrimination in their own lives, schools, and communities.
Students examine how U.S. Law Defines Discrimination In this lesson. They research the issues surrounding a variety of types of discrimination, and then write editorials analyzing legal and social positions on discrimination in the United States.
High schoolers explore discrimination issues in America. For this homosexual rights lesson, students listen to their instructor lecture on antidiscrimination laws and gay rights. High schoolers respond to questions about the Romer v. Evans case.
Students participate in a simulated form of discrimination as they divide into groups of blue-eyed and non-blue-eyed students. They reflect on their experiences during the role-play and compare their observations to the former system of Apartheid.
Students study discrimination in the workplace. In this discrimination lesson plan, students define the term 'fair' and work in groups to find ways all people are alike and different. Students write sentences defining a fair classroom, a fair school, and a fair society. Students write letters to restaurant owners about discrimination of employees.
Young scholars examine the stereotypes of Chinese immigrants to Australia in the late 19th and early 20th centuries. They evaluate the validity of these stereotypes and investigate various pieces of legislation that discriminated against the Chinese.
In this quadratic equation, students find the discriminant using the formula given and identify how many solutions a quadratic function will have. There are 3 problems with answers and examples.
Write about economic and banking issues of concern to the public. Investigate lending discrimination and the impact of the 1977 Community Reinvestment Act. Use a guide to do research and write an essay.
Students explore discrimination by the media. In this media awareness activity, students examine stigmas concerning mental illnesses as they are portrayed in the media.
Seventh graders examine the various racism and discrimination faced by various ethnic groups in the United States. In groups, they research the legal system and describe the purpose of the United States Constitution. They review cases brought before the Supreme Court and share their effectiveness to change society. To end the lesson, they discuss what the founding fathers meant by racial superiority.
Students examine concept of discrimination and explore difference between appropriate and harmful discrimination. Students discuss relevant Australian legislation and International Law, choose example of discrimination, and write exposition suggesting affirmative action.
Students investigate what discrimination is and study Article 2 from the Universal Declaration of Human Rights. They participate in a role play activity involving majority and minority groups for which a letter was sent home to parents. They complete a journal entry describing their feeling during the role play activity.
Students consider how discrimination hampers individual rights. In this diversity instructional activity, analyze the "Canadian Charter of Rights and Freedoms." Students then explore provided case studies and use the charter to aid them in classroom debates about discrimination.
Students explore the concept of discrimination as it pertains to the workplace, educational institutions, and public spaces. In this addressing discrimination lesson, students brainstorm examples of discrimination, reflect upon a time when they or a friend were treated unfairly and share their experience.
Stereotyping and discrimination are explored in this social justice instructional activity.  Students listen to the book Dragon of Brog, in which mythical characters experience discrimination. Then, they sculpt a magical character out of plasticene and write a related description of this character.
Seventh graders discuss the origin of discrimination and the Holocaust. In this Bible lesson plan, 7th graders define discrimination and discuss if they have discriminated or not. They thank God for forgiveness and realize it is no ones role but God's to judge.
Students solve quadratic equations using the quadratic formula. In this algebra lesson, students identify the roots of a quadratic equation and the number of solutions using the discriminant.

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