Algebra 1 Online! Henrico County Public Schools, Virginia
Module - Factoring
Lesson 6 - Solving by Factoring
 Lessons 1- Factors and Greatest Common Factors 2- Factoring Using the Distributive Property 3- Difference of Squares 4- Factoring Trinomials 5- Perfect Squares and Factoring 6- Solving by Factoring 7- Module Review
SOL

A.4c - The student will solve multistep linear and quadratic equations in two variables, including solving quadratic equations algebraically and graphically.

## Chicken Coop

Barry has 20 m wire mesh. He would like to enclose as large as possible a rectangular a chicken coop using a barn wall as one of the sides. What values for the length and width will give him the largest area?

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## Find the roots

In the quadractic equation ax2 + bx + c = 0, slide the values of a, b and c and observe the roots of the quadractic.

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Common Core Standards
 A-SSE.3a A-CED.1 A-REI.4a A-REI.4b F-IF.8a
Warm-up
Lessons
Videos
Explore Learning
1. Roots of a Quadratic: Find the root of a quadratic using its graph or the quadratic formula. Explore the graph of the roots and the point of symmetry in the complex plane. Compare the axis of symmetry and graph of the quadratic in the real plane.
Geogebra

Internet Sites
1. Interactive Notes: Solving Quadratic Equations - lessons and practice problems from Regentsprep.org
2. Interactive: Solving Quadratic Equations Self-Test - notes and twelve practice problems at math.uww.edu