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Lesson Plan
Curated OER

Discriminant Testing

For Teachers 9th - 12th Standards
The class works to identify solutions using the discriminant.They use part of the quadratic formula to find the number of solutions a quadratic equation will have. They calculate how-many times the quadratic function will cut the x-axis....
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Lesson Plan
Curated OER

Factoring Trinomials

For Teachers 9th - 12th Standards
Have the class factor and solve trinomials of integers in the form x2 + bx + c, where b and c are positive. They relate factoring to area and then follow a specific format to factor their trinomials. Tiles are used to help them relate...
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Lesson Plan
Curated OER

Factoring Trinomials

For Teachers 9th - 12th Standards
Students factor trinomials. In this algebra lesson, students identify the different integers making up the trinomial and use the special pattern to factor them. They continue to model the equations and how to factor correctly.
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Lesson Plan
Curated OER

Connecting Factors and Zeros

For Teachers 9th - 12th Standards
In this Algebra II lesson, high schoolers explore the connection between the factored form of a quadratics and the zero of a function. Students use a graphing calculator to verify factoring numerically and graphically.
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Lesson Plan
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Curated OER

Evaluation Expressions

For Teachers 9th - 12th Standards
High schoolers explore algebraic expressions in this Algebra I lesson. They evaluate expressions using paper and pencil and then use the TI-83 to provide immediate reinforcements.
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Lesson Plan
Curated OER

Discriminating Against the Zero

For Teachers 9th - 12th Standards
High schoolers explore the concept of quadratic equations.  In this quadratic equations lesson, students find the roots or zeros of quadratic equations using the quadratic formula.  High schoolers give examples of functions with 2 real,...
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Lesson Plan
Curated OER

Exploring Quadratic Equations

For Teachers 11th - Higher Ed Standards
By stretching and translating the parabola given and determining the effects on the equation, students explore finding the vertex and zeros of a parabola and relate them to the equation. Students also view the intercept form to determine...
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Lesson Plan
Curated OER

Complex Roots: A Graphical Solution

For Teachers 9th - 12th Standards
Using their Ti-Nspire to determine the solutions of parabolas, high schoolers explore the concept of complex roots.  Students determine if parabolas have real or complex roots.  High schoolers determine the the axis of symmetry and the...
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Lesson Plan
Curated OER

Exploring Complex Roots

For Teachers 9th - Higher Ed Standards
In exploring the concept of complex roots, young scholars find the axis of symmetry and roots of parabolas.  Then, they discuss what makes a solution complex and how to identify functions with complex roots.
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Worksheet
Curated OER

Extra Review

For Students 8th - 9th Standards
In this quadratic formula worksheet, learners solve and complete 22 different types of problems. First, they solve each equation by completing the square and applying the quadratic formula. Then, students graph each function provided and...
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Lesson Plan
Texas Instruments

Exploring Quadratics in Factored Form

For Teachers 9th - 12th Standards
Young mathematicians explore quadratics equations in this lesson. They investigate the relationship between the standard form and factored form of quadratic equations. Learners then examine the relationship between the factoring form of...
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Lesson Plan
Curated OER

The Standard Form of A Quadratic Equation

For Teachers 9th - 12th Standards
Students investigate equations that are in the standard form of a quadratic equation represented as Y=ax2+bx+c. They factor the equations into linear factors to determine the x intercepts. The graph is also used to determine the x...
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Lesson Plan
Curated OER

Factoring

For Teachers 9th - 12th Standards
High Schoolers engage in a study of quadratic functions and focus upon the finding of equivalence and its connection between functions. They also practice factoring using the FOIL method while manipulating the equation. The lesson also...
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Lesson Plan
Alabama Learning Exchange

Factoring by Mack

For Teachers 8th - 10th Standards
Learners explore the concept of factoring trinomials.  In this factoring trinomials lesson plan, students use the Mack Method to factor trinomials.  Learners watch a video on how to factor a trinomial with a coefficient of 1 with the x...