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Brian McLogan
Applying direct variation to a proportion so solve for the missing variable
👉 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 to solve a proportion with cross multiplication
👉 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 the cross product ex 7, 8/5 = (4/3x)
👉 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
Vector Multiplication: Dot and Cross Products Explained
This video discusses vector multiplication and the different ways that vectors can be multiplied. The video covers three different methods of vector multiplication: scalar multiplication, dot product, and cross product. The video also...
Brian McLogan
Learn how to find 8% of 40
👉 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,...
Brian McLogan
How to solve a simple proportion
👉 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
Finding the Original Amount and Amount of Change Using Proportions and Equations
In this video, the teacher explains how to find the original amount and the amount of change given the percent of change in the final amount. Using proportions and equations, the teacher demonstrates how to calculate the price of an item...
Brian McLogan
ACT SAT Prep How to determine the the missing value by setting up two proportions
ACT SAT Prep How to determine the the missing value by setting up two proportions
Brian McLogan
How to use proportions and direct variation to solve for x
👉 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
Biot-Savart and Ampere's Laws - 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 Earth’s B field, magnetic permeability, the magnetic force on a moving charge, the...
Brian McLogan
Solving a proportion with a binomial
👉 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 inverse operations
👉 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 a proportion by using the cross product and parenthesis ex 20, (b+13)/2 = –5b/3
👉 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
Learning to solve a proportion
👉 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
Finding the missing value using similarity in triangles
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
msvgo
Finding and Checking Equivalent Fractions
This nugget shows how to find and check for equivalent fractions.
Curated OER
How Do You Solve a Word Problem That Compares Two Complex Fractions?
Fractions, money, and a word problem? Write out an equation that has a fraction as the numerator of a fraction. Huh? Confusing? Don't give up! Watch the video as the instructor illustrates and explains how to solve this seemingly...
Khan Academy
Khan Academy: Linear Algebra: Relationship Between Cross Product and Angle Sin
Video proving that the magnitude of the cross product of two vectors is equal to the product of their magnitudes and the sine of the angle between them. [18:09]
Khan Academy
Khan Academy: Linear Algebra: Vector Triple Product Expansion (Very Optional)
Video deriving the triple product expansion by expanding the cross product of 3 vectors and then simplifying it to the difference of dot products. [14:25]
Khan Academy
Khan Academy: Linear Algebra: Cross Product Introduction
Video explains the vector cross product and gives examples of finding it. Also discusses the usefulness and limitations of vector cross products and the differences from the dot product. [15:47]
Khan Academy
Khan Academy: Linear Algebra: Dot and Cross Product Comparison/intuition
Video first reviews how to find the angle between two vectors, as well as restating the relationship between the cross product and the sine of that angle. Then gives an intuition of what the dot product and the cross product represent....
Khan Academy
Khan Academy: Linear Algebra: Dot and Cross Product Comparison/intuition
Video gives an intuition of what dot product and cross product represent. Also gives a comparison between cross product and dot product of vectors and how they are related. Shows which angles maximize the cross product and dot product....