Instructional Video3:39
Brian McLogan

Solving a quadratic equation using inverse operations

12th - Higher Ed
๐Ÿ‘‰Learn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
Instructional Video2:07
Brian McLogan

Find the domain and range of a function by using the inverse

12th - Higher Ed
๐Ÿ‘‰ Learn how to find the inverse of a linear function. A linear function is a function whose highest exponent in the variable(s) is 1. The inverse of a function is a function that reverses the "effect" of the original function. One...
Instructional Video2:14
Brian McLogan

Isolating The Absolute Value Symbol To Solve the Equation

12th - Higher Ed
Learn how to solve absolute value equations with multiple steps. Absolute value of a number is the positive value of the number. For instance, the absolute value of 2 is 2 and the absolute value of -2 is also 2. To solve an absolute...
Instructional Video2:57
Curated OER

How Do You Solve a Two-Step Equation by Multiplying by a Reciprocal?

8th - 11th
Got a fraction in your equation? Don't like that fraction? Just multiply both sides by the reciprocal of that fraction to get rid of it. Now you can solve the problem using the steps necessary to isolate your variable. Don't forget to...
Instructional Video2:40
Virtual Nerd

How Do You Solve For a Variable In Terms Of Another Variable?

6th - 12th Standards
Two variables in an equation and you want to solve for one in terms of the other. Watch the instructor demonstrate the steps to isolate each variable. She will use the subtraction rule of equality and the division rule of equality to...
Instructional Video4:42
Virtual Nerd

How Do You Solve a Radical Equation?

6th - 12th
Oh my, there's a variable inside the radical . How will you ever solve this one? The teacher explains step-by-step just how to solve this radical equation. She also shows how to check to make sure the answer is the correct one.
Instructional Video
Sophia Learning

Sophia: Isolating Variables

6th - 8th
Students watch a video tutorial on how to isolate the variable to solve an algebraic equation. Detailed explanations and examples are included.
Instructional Video
Math Mammoth

Math Mammoth: Equations With the Variable on Both Sides

7th - 8th Standards
This lesson demonstrates how to solve linear equations that have a variable on both sides. It goes over how to combine like terms and how to isolate the variable. [7:27]