Search for tag: "step"

Adding rational expressions with linear denominators without common factors: Basic

A subtraction of fractionso where the denominators have no factors in common so we simpllly multiply the two together to create the LCD. Then both fractions are adjusted by multiplying each…

From  Tom Grant 9 plays 0  

Adding rational expressions involving different quadratic denominators

Adding ratioinal expressions with quadratic denominators requires factoring each denominator so that the LCD can be determined. Then each fraction is exapanded by multiplying the tops and the…

From  Tom Grant 6 plays 0  

Solving a two-step linear inequality: Problem type 1

Shows one example of solving a iinear inequality in two steps.

From  Tom Grant 9 plays 0  

Translating a sentence into a multi-step equation

Shows how to interpret a verbal description into an mathematical equation.

From  Tom Grant 15 plays 0  

Writing a one-step expression for a real-world situation

Some discussion of vocabulary combined with writing a simple expression from a verbal description.

From  Tom Grant 7 plays 0  

Solving a linear equation with several occurrences of the variable: Variables on the same side and distribution

A more complicated version of solving an equation. It specifically addresses dealing with two variable terms on the same side of the equals sigh.

From  Tom Grant 8 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

From  Tom Grant 7 plays 0  

Simplifying a ratio of polynomials: Problem type 2

A second look at factoring the top and bottom of a fraction in algebra that then reduces that fraction.

From  Tom Grant 15 plays 0  

Simplifying a ratio of polynomials: Problem type 1

This shows how to factor the numerator and denominator of a fraction in algebra so that we can reduce the same factors ono the top and the bottom because they divide to one.

From  Tom Grant 10 plays 0  

Finding the roots of a quadratic equation needing simplification

This demonstrates how some quadratic equations need to be simplified and put in standard form before the quadratic expression can be factored so the factors can be set to zero and solved.

From  Tom Grant 11 plays 0  

Factoring out a binomial from a polynomial: GCF factoring, basic

Demonstrates how to remove a common factor that not just a single number or variable, but a binomial i. e. a two-term expression.

From  Tom Grant 44 plays 0  

Power and quotient rules with negative exponents: Problem type 1

Using the quotient rule, we can eliminate the negeatiev exponent rigiht awa and then applly the "power rule".

From  Tom Grant 62 plays 0  

Application problem with a linear function: Finding a coordinate given two points

We use the slope formula to find the slope from the given points, then we use it again, inserting the discovered slope and solving for the desired missing coordintate of a third point.

From  Tom Grant 47 plays 0  

Solving a linear inequality with multiple occurrences of the variable: Problem type 2

Describes the steps inn solving a somewhat complicated inequality, and reminds you of two things. 1) Inequalities are solved like equations except one thing. 2) That is that you must remember when…

From  Tom Grant 17 plays 0  

Translating a sentence into a one-step inequality

This shows how written statments are not always written in the order that the mathematical equivalent is, so please listen to the explanation presented here.

From  Tom Grant 40 plays 0  

Solving a one-step word problem using the formula d = rt

A simple word problem to get us started with "distance equals rate (or speed) times time.

From  Tom Grant 15 plays 0