Search for tag: "operations"

Introduction to simplifying a product of radical expressions: Univariate

Just a quick couple of examples, one explaining the relationship between squaring and square rooting and one that just shows how to multiply two radical expressions that need no reduction.

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From  Tom Grant 9 plays 0  

Solving a word problem involving consecutive integers

This describes the way to represent a series of consecutuve integers, then consecutive odd or even integers so that you can w rite an expression that combines them.

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From  Tom Grant 8 plays 0  

Solving for a variable in terms of other variables using multiplication or division: Advanced

An examplel of how to rearrange a formula to better suit its particular purpose. Often we need to do this because it is easier to rearrange it once instead of having to solve for a variable each…

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From  Tom Grant 7 plays 0  

Solving for a variable in terms of other variables using addition or subtraction: Advanced

Describes how to rearrange a simple formula with several variables so that a different and particular one is isolated.

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From  Tom Grant 9 plays 0  

Introduction to solving an equation with parentheses

A simpler version of an equation that needs distribution across a set of parenthese as the first step to solving for the variable

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From  Tom Grant 7 plays 0  

Evaluating an algebraic expression: Whole numbers with two operations

A quick demo about plugging in given values for variables and calculating a number result.

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From  Tom Grant 7 plays 0  

Evaluating an exponential function that models a real-world situation

This shows how to enter a value into a function to get a result for something like depreciation of value over time for a purchased item.

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From  Tom Grant 11 plays 0  

Solving a radical equation that simplifies to a linear equation: Two radicals

This demonstrates how to solve an equation where two radicals are equal and there are no other terms on either side of th equation

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From  Tom Grant 39 plays 0  

Rationalizing a denominator: Quotient involving a monomial

Two quick demonstratoins of a rational expression containing radicals being ratioinalized by multiplication of a form of one to transform a radical in the denominantor to a whole number.

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From  Tom Grant 18 plays 0  

Rationalizing a denominator: Square root of a fraction

This discusses what rationals and irratioinals are, then goes on to demonstrate how to eliminate any radical number in the denominator.

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From  Tom Grant 12 plays 0  

Special products of radical expressions: Conjugates and squaring

A demonstration of squaring a binomial with radical terms and then a second example showing how conjugate binomials can be multiplied.

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From  Tom Grant 13 plays 0  

Simplifying a ratio of multivariate monomials: Basic

A quick example of reducing a fraction by dividing matching factors on the top and bottom.

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From  Tom Grant 55 plays 0  

Solving for a variable in terms of other variables using addition or subtraction with division

Another in a series aobut solvingi equations with multiple variables, this time taking two steps to do it/

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From  Tom Grant 22 plays 0  

Order of operations with integers and exponents

Three examples of this topic

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From  Tom Grant 45 plays 0  

Order of operations with integers

Three quick examples that show the order in which we simplify different opertions in arithmetic.

From  Tom Grant 15 plays 0  

Order of operations with fractions: Problem type 1

A description of the process for dividing frations.

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From  Tom Grant 29 plays 0