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Curated Video
Solving an Equation Using Cube Roots
In this math video we will be solving an equation using cube roots. We will be presented with an equation and need to identify the correct solution. We will solve the equation in three different ways. We will understand the relationship...
Curated Video
How to Find Cube Roots
In this video lesson we will learn how to find cube roots of perfect cubes. We will learn key vocabulary - index, radicand, and radical. We will learn how to approximate imperfect cubes. We will evaluate expressions with cube roots...
Curated Video
Solving Equations Using Cube Roots
Solve equations that have a cubed variable by taking the cube root of both sides.
Curated Video
Solving Equations Using Cube Roots (Example)
Solve equations that have a cubed variable by taking the cube root of both sides.
Brian McLogan
How to apply the evt to a cube root function along a closed interval
👉 Learn how to find the extreme values of a function using the extreme value theorem. The extreme values of a function are the points/intervals where the graph is decreasing, increasing, or has an inflection point. A theorem which...
Brian McLogan
Learn how to simplify the cube root of a variable 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...
Curated Video
Solving Equations Involving Cubes and Cube Roots
In this lesson, students will learn how to solve equations involving cubes and cube roots. They will understand the concept of cubing a number, finding the cube root, and the relationship between squaring and square rooting.
Brian McLogan
Solving Radical Equations with the Cube Root, the Easy Way
👉 Learn how to solve radical equations having one radical term. To solve a radical equation having one radical terms, we isolate the radical term by placing it in one side of the equation. Next, we get rid of the radical by taking on...
Brian McLogan
Simplifying 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 take the cube root of a variable exponent, cube root(x^7)
👉 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
Factoring a binomial using the difference of two cubes
👉 Learn how to factor polynomials using the sum or difference of two cubes. 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. To factor an...
Brian McLogan
Learning How to Solve a Radical Equation with the Cube Root
👉 Learn how to solve radical equations having one radical term. To solve a radical equation having one radical terms, we isolate the radical term by placing it in one side of the equation. Next, we get rid of the radical by taking on...
Brian McLogan
Simplifying the cube root of an expression with variables
👉 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
How to solve a word problem involving the cube root
👉 Learn how to solve literal equations involving formulas. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the...
Brian McLogan
How to find the inverse of a cube root function
👉 Learn how to find the inverse of a function. The inverse of a function is a function that reverses the "effect" of the original function. One important property of the inverse of a function is that when the inverse of a function is...
Brian McLogan
Subtracting the cube root of two numbers and simplifying
👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Brian McLogan
How to subtract the cube root of two numbers by simplifying first
👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Brian McLogan
Adding and subtracting the cube root of three radical expressions
👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Brian McLogan
Find the product of the cube root of two variable expressions
👉 Learn how to multiply radical expressions. A radical is an expression having the root/radical symbol. The number outside the radical symbol (nth root) is called the index, the number/expression inside the radical symbol is called the...
Brian McLogan
Factoring a polynomial using the difference of two cubes
👉 Learn how to factor polynomials using the sum or difference of two cubes. 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. To factor an...
Brian McLogan
What are the formulas for the sum and difference of two cubes
👉 Learn how to factor polynomials using the sum or difference of two cubes. 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. To factor an...
Curated Video
Proof - How To Do Cube Roots In Your Head Math Trick
Brian McLogan
Learn how to solve a polynomial using the difference of two cubes and quadratic formula
👉 Learn how to find the zeroes of a polynomial equation/expression involving the sum/difference of two cubes. Given a polynomial having the sum of two cubes, the polynomial can be factored as follows: a^3 + b^3 = (a + b)(a^2 - ab + b^2)....
Brian McLogan
Simplifying the odd root of a variable expression to higher powers
👉 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...