Curated Video
Understanding the Discriminant in Quadratic Equations
This video is a lecture presentation on the discriminant in algebra. The presenter explains how the discriminant is used to determine the number of real roots in a quadratic equation and how it is contained within the quadratic formula....
Brian McLogan
How to find the roots of an quadratic equation - Free Math Help
👉 Learn how to solve a quadratic equation by applying the quadratic formula. To apply the quadratic formula the quadratic equation must be equal to zero. Then you can apply the quadratic formula to determine solutions to the equation,...
Brian McLogan
How to Apply the Product Rule of Radicals to Multiply an Expression
👉 Learn how to multiply radicals. A radical is an expression or a number under the root symbol. To multiply radicals with the same root, it is usually easy to evaluate the product by multiplying the numbers or expressions inside the...
Brian McLogan
Taking fourth root of a radical expression with multiple terms, fourth root
👉 Learn how to find the 4th root of an expression. To find the 4th root of an expression, if the exponent of the expression is a multiple of 4, then the 4th root of the expression is the base of the expression with an exponent that is...
Brian McLogan
Taking the fifth root of an expression, fifth root
👉 Learn how to find the 5th root of an expression. To find the 5th root of an expression, if the exponent of the expression is a multiple of 5, then the 5th root of the expression is the base of the expression with an exponent that is...
Brian McLogan
Using the cube root to simplify the odd root of an expression
👉 Learn how to find the 3rd root of an expression. To find the 3rd root of an expression, if the exponent of the expression is a multiple of 3, then the 3rd root of the expression is the base of the expression with an exponent that is...
Brian McLogan
Determine the end behavior and degree of a polynomial graph
👉 Learn how to determine the end behavior of a polynomial function from the graph of the function. To do this we look at the endpoints of the graph to see if it rises or falls as the value of x increases. If the graph of the polynomial...
Brian McLogan
Master Simplifying the higher root of numeric and algebraic expressions
Master Simplifying the higher root of numeric and algebraic expressions
Curated Video
Graphical Solutions of Quadratic Functions: Finding Intercepts and Zeros
In this video, we learn how to graphically solve a quadratic function by looking at the intercepts of its graph. The X intercept represents the point where the graph crosses the X axis, and the roots or zeros are the solutions of the...
National Parks Service
Redwood National and State Parks - 1st Grade - Structure and Function - Lesson 3 of 3. Redwood Trees
Lesson 3 of 3. Redwood Trees. CREDIT: NPS
History Hit
Africa, The Unknown History of Humankind: Unknown African history and its influences
What are the very early histories of Africa that are important that are unknown to us? How has African culture influenced the west over the centuries? Africa, The Unknown History of Humankind, Part 3
Brian McLogan
How to solve a quadratic when there are no solutions
👉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...
Brian McLogan
Learn to take the square root of an expression squared, root
👉 Learn how to simplify the square root of an expression. The square root of an expression is an expression which will multiply itself twice to give the original expression. To simplify the square root of an expression, we...
Brian McLogan
Master Simplifying radical expressions using rational powers and the product rule
Master Simplifying radical expressions using rational powers and the product rule
Brian McLogan
Find All of the Zeros of a Polynomial
👉 Learn how to find all the zeros of a polynomial that cannot be easily factored. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros...
Brian McLogan
Taking the odd root of a negative term, fifth root
👉 Learn how to find the 5th root of an expression. To find the 5th root of an expression, if the exponent of the expression is a multiple of 5, then the 5th root of the expression is the base of the expression with an exponent that is...
Brian McLogan
Solving an equation with a square root
👉 Learn how to solve radical (square root) equations having one radical term. To solve a radical (square root) equation having one radical terms, we isolate the radical term by placing it in one side of the equation. Next, we get rid of...
Brian McLogan
Learn how to find the domain and range of a quadratic by finding inverse
👉 Learn how to find the inverse of a quadratic function. A quadratic function is a function whose highest exponent in the variable(s) of the function is 2. The inverse of a function is a function that reverses the "effect" of the...
Brian McLogan
How does the root and power of a number relate to one another
👉 Learn how to simplify radical expressions. In this playlist we will explore simplifying radical expressions by prime factorization and rules of exponents. We will explore the square root, cube root as well as the fourth root of numbers...
Brian McLogan
Master - How to find the zeros of a polynomial function by factoring and determine multiplicity
👉 Learn how to find all the zeros of a polynomial. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros of a polynomial are the values...
Brian McLogan
Simplify a fraction under a square root - Legal cheating for math
👉 Learn how to divide radical expressions. In this playlist we will explore dividing radical expressions and then simplifying. We will explore the square root, cube root as well as the fourth root of numbers and algebraic expressions.
Brian McLogan
Using prime factorization to simplify the cube root of an expression
👉 Learn how to find the 3rd root of an expression. To find the 3rd root of an expression, if the exponent of the expression is a multiple of 3, then the 3rd root of the expression is the base of the expression with an exponent that is...
Brian McLogan
Learn how to simplify an equation with rational powers
👉 Learn how to deal with Rational Powers or Exponents. Exponents are shorthand for repeated multiplication of the same thing by itself. This process of using exponents is called "raising to a power", where the exponent is the "power"....
Brian McLogan
Math Tutorial for Solving a Radical Equation Using Inverse Operations Root
👉 Learn how to solve radical (square root) equations having one radical term. To solve a radical (square root) equation having one radical terms, we isolate the radical term by placing it in one side of the equation. Next, we get rid of...