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Brian McLogan
How to set up and solve as a proportion different problems with percents, 8% of 13
π Learn how to solve problems using percents. When solving problems with percents we will either convert the percents to decimal form or use proportions to solve. We will look to solve for the percent of change, the original price,...
Virtually Passed
cross product moment example
Calculating the moment of a force can be quite tricky (especially in 3 dimensions). A good way to solve these problems is to use the cross product noting that *M* = *r* x *F*
Brian McLogan
Using cross product to verify a proportion
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
Solving a proportion using cross multiplication
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
Solving a proportion for a variable
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
Learn how to solve a proportion by applying cross multiplication
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
Given a point lies on a hyperbola and two vertices, write the equation
Learn how to write the equation of hyperbolas given the characteristics of the hyperbolas. The standard form of the equation of a hyperbola is of the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2...
Brian McLogan
Solving for x for two similar polygons
Learn how to solve with similar polygons. Two polygons are said to be similar if the corresponding angles are congruent (equal). When two polygons are similar the corresponding sides are proportional. Knowledge of the length of the sides...
Brian McLogan
Solving a proportion using two step method
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Flipping Physics
Magnetic Fields - Review for AP Physics C: Electricity and Magnetism
AP Physics C: Electricity and Magnetism review of magnetic fields including: the basics of magnetic dipoles, ferromagnetic and paramagnetic materials, the Earthβs B field, magnetic permeability, the magnetic force on a moving charge, the...
Brian McLogan
Deciding to multiply a proportion by the LCD rather than using cross multiplication
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
msvgo
Vector product of two vectors
This nugget explains about the vector product of two vectors using the concept of right hand rule and also the properties of a vector product.
Brian McLogan
What is cross multiplication
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
Solve Rational Equations | Rational Functions | Free Math Videos
In this video we will explore how to solve rational equations and label extraneous solutions. We will solve a variety of equations using multiple techniques. I make short, to-the-point online math tutorials. I struggled with math growing...
Curated Video
Similar Figures
In this video lesson, we will learn the definition of similar figures. Similar figures are figures that are the same shape but different sizes. Similar figures have corresponding sides that are proportional and corresponding angles...
Brian McLogan
How to cross multiply to solve a proportion
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
Learn how to apply the cross product to solve the proportion ex 10, (x - 5)/4 = 3/2
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
Summary for solving rational equations
π Learn about solving rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational equations, one of...
Brian McLogan
Solving a literal equation that is a proportion ex 13, x/a = y/b; solve for x
π 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
Solve y using cross multiplication - literal equation
π Learn how to solve literal equations. 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 formula. When the literal...
Brian McLogan
Solve a proportion by multiplying by the LCD ex 13, (2n - 9)/7 = (3 - n)/4
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Curated Video
Proportions
In this video lesson we will learn how to write and solve a proportion. We will use a proportion to determine if two ratios are equal. We will learn that if two ratios form a proportion there is a proportional relationship. We will...
Brian McLogan
Master Solve for the missing variable when y varies directly with x
Master Solve for the missing variable when y varies directly with x
Flipping Physics
Angular Momentum and a Pulley Mass System
Angular momentum is used to determine the acceleration of a pulley mass system. two alternate solutions are shown, and the acceleration is demonstrated. This is an AP Physics C: Mechanics topic.
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