Search for tag: "calculator"

Solving an equation of the form x^2 = a using the square root property

Discusses the square root property, then encourages the viewer to write a list of perfect squares in the marginfor reference. Lasly, three examples are presented and solved.

From  Tom Grant 7 plays 0  

Solving an exponential equation by finding common bases: Linear exponents

Shows how to create common bases so that then the exponents can be set equal to each other and that equation can be solved.

From  Tom Grant 22 plays 0  

Finding the final amount in a word problem on compound interest

This video gives the formula for calculating compound interest and then demonstrates how to calculate the future amount after a given number of years.

From  Tom Grant 11 plays 0  

Square root addition or subtraction

This shows how to simplify square roots in an additon problem so that hopefully you get like terms and con simplify further.

From  Tom Grant 9 plays 0  

Power and product rules with positive exponents

A short review of these two rules and then an application of them to two multi-factor expressions.

From  Tom Grant 8 plays 0  

Power rules with positive exponents: Multivariate quotients

A quick example of distributing an external exponents to all factors in a rational expression

From  Tom Grant 5 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.

From  Tom Grant 6 plays 0  

Finding a final amount in a word problem on exponential growth or decay

This demonstrates how to write the function that includes the initial amount multiplied by the percent remaining or the initial amount multiplied by one plus the percent increase, with either being…

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.

From  Tom Grant 8 plays 0  

Introduction to solving a radical equation

A qucik demo to get you started on solving radical equations

From  Tom Grant 18 plays 0  

Simplifying a quotient involving a sum or difference with a square root

Demonstrations that emphasize the fact that a fraction bar acts like parentheses in that the each part of the fraction must be factored so that there is a product of factors on both top and bottomof…

From  Tom Grant 18 plays 0  

Introduction to simplifying a product involving square roots using the distributive property

A quick look at distributin a radical across a sum of a whole number and a different radical

From  Tom Grant 17 plays 0  

Rational exponents: Negative exponents and fractional bases

Two examples of how to deal with negative fractional exponents

From  Tom Grant 18 plays 0  

Rational exponents: Unit fraction exponents and bases involving signs

Two examples of how to deal with fractional exponents on negative numbers.

From  Tom Grant 9 plays 0  

Converting between radical form and exponent form

Shows how these forms are interrelated

From  Tom Grant 9 plays 0  

Solving a rational equation that simplifies to quadratic: Binomial denominators, constant numerators

Here we solve a rational equation by multiplying each of the terms in the equation by the LCD of all of the fractions. This allows us to divide to one all of the factors in the denominators and the…

From  Tom Grant 10 plays 0