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This page provides a list of educational videos related to Basic Ratios. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Basic Ratios.
Basic ratios
By Khan Academy
How are fractions and ratios the same? How are they different? Is 2:5 the same as 2/5?
Simplify rational expressions by canceling binomial factors
By Khan Academy
Sal solves the following problem:������������Given a rectangle with length a^2+6a+27 and width a^2-9, write the ratio of the width to the length as a simplified rational expression.
Simplify rational expressions by canceling binomial factors
By Khan Academy
Sal������������simplifies and states the domain of (x^2-36)/(6-x).
DEPRECATED Multiplying and dividing rational expressions 5
By Khan Academy
Sal performs the following division and simplifies the result: (2p+6)/(p+5) ��������������������� (10)/(4p+20).
DEPRECATED Multiplying and dividing rational expressions 5
By Khan Academy
Sal performs the following multiplication and simplifies the result: (a^2-4)/(a^2-1) X (a+1)/(a+2).
Simplify rational expressions by canceling monomial factors
By Khan Academy
Sal explains what it means to simplify a rational expression and why we would want to do that. Just don't forget the excluded values!
How to use Ratios and Proportions to Solve Real World Problems
By mrtedmartin
Instructor uses a Power Point presentation to demonstrate how to use ratios and proportions to solve problems real world problems. Unit rates are discussed and definitions are given. Solving unit rate problems are modeled and a calculator is used for computation.
07 - The Geometric Sequence - Definition & Meaning - Part 1
By Math and Science
Quality Math And Science Videos that feature step-by-step example problems!
Recognizing rational and irrational expressions
By Khan Academy
Sal shows how to determine whether the following expressions are rational or irrational: 9 + ������������������(45), ������������������(45)/ (3*������������������(5)), and 3*������������������(9).
DEPRECATED Simplifying rational expressions 4
By Khan Academy
Sal solves the following problem:������������Given a rectangle with length a^2+6a+27 and width a^2-9, write the ratio of the width to the length as a simplified rational expression.
DEPRECATED Simplifying rational expressions 4
By Khan Academy
Sal������������simplifies and states the domain of (x^2-36)/(6-x).
DEPRECATED Simplifying rational expressions 4
By Khan Academy
Sal������������simplifies and states the domain of (2x^2+13x+20)/(2x^2+17x+30).
Trigonometric functions and side ratios in right triangles
By Khan Academy
Sal is given a diagram with multiple right triangles and is asked to verify identities relating to trig ratios in those triangles.
Trigonometric functions and side ratios in right triangles
By Khan Academy
Sal explains how the trigonometric ratios are derived from triangle similarity considerations.
Trigonometric functions and side ratios in right triangles
By Khan Academy
Sal is given a diagram with multiple right triangles and is asked to match different expressions with different trig values.