Sophia: Solve Quadratic Equations by Graphing on a Calculator: Lesson 1

In this quadratic equation worksheet, students solve quadratic equations by graphing on a coordinate plane. Given the roots and maximum or minimum points, students graph a quadratic equation. This one-page worksheet contains five problems.

Many learners find completing the square the preferred approach to solving quadratic equations. Class members combine their skills of using square roots to solve quadratics and completing the square. The resource incorporates a...

Need a solving quadratic equations with factoring worksheet? Here it is! A page worth of problems all with a leading coefficient of 1 gives your class a beginners level approach to the topic. 

With his trusty graphing calculator, Sal begins his lecture on solving quadratic functions by graphing. The video is a good way to show young mathematicians not only how to use the graphing calculator (which Sal describes as "archaic"...

Introducing square roots into the quadratic equation mix, Sal addresses the ways viewers might solve the problems, both correctly and incorrectly. The video is an integral step in not only Sal's algebra series but also in developing math...

Multiple parentheses, oh my! Using an equation with parentheses on both sides of the equal sign, the video demonstrates the steps to solve it. The resource works through each step to isolate the variable to arrive at a solution. Once...

Solving equations is the groundwork for all of algebra. A video presentation explains the steps for solving an equation with variables on both sides. Using a different color for each step, the instructor shows how to manipulate the...

The instructor continues solving quadratic equations by plugging values into the quadratic formula. These examples are more difficult because the answers do not correspond to whole numbers.

One of the many methods of solving quadratic equations is graphing. A video lesson first demonstrates graphing a quadratic function using an input-output table. After graphing the parabola, the instructor makes the connection between the...

Given a quadratic equation, the student will use graphical methods to solve the equation.