In this lesson, students will learn how to fluently divide multidigit numbers using base 10 blocks. They will understand the relationship between multiplication and division as inverse operations and how to use the standard algorithm to...

MATLAB is used to solve a set of linear equations (Ax=b) by inverting the matrix A and multiplying by the b vector. Three ways to solve A*x=b are:

x = inv(A)*b %
good
x = A\b
% better
x = linsol
SeeA,b) %...

This video is an introduction to trigonometry functions, which are used to calculate side lengths and angles in triangles using three important ratios: sine, cosine, and tangent. The video explains how to establish a right-angle triangle...

👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...

👉 Learn how to show that two statements are logically equivalent. Two statements are said to be logically equivalent if they contain the same logical content. i.e. if both statements convey the same meaning. A conditional statement and...

The video is a tutorial on the basics of powers and roots in mathematics. It covers positive powers, negative powers, roots, and fractional powers, explaining how to write them in index notation, convert negative powers into fractions,...

👉 Learn how to find the derivative of the inverse of a function. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the derivative of a...

It explains how to use matrices to solve a system of equations in two and three variables and find out whether the system is consistent or not.

👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...

👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...

👉 Learn how to evaluate inverse trigonometric functions. The inverse trigonometric functions are used to obtain theta, the angle which yielded the trigonometric function value. It is usually helpful to use the calculator to calculate the...

Master Determine the Truth of conditional statements and which ones are logically equivalent

👉 Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...

👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...

👉 Learn how to find the inverse, the converse, and the contrapositive of a statement. The contrapositive of a statement is the switching of the hypothesis and the conclusion of a conditional statement and negating both. If the hypothesis...

👉 Learn how to find the inverse, the converse, and the contrapositive of a statement. The contrapositive of a statement is the switching of the hypothesis and the conclusion of a conditional statement and negating both. If the hypothesis...

👉 Learn how to determine the differentiability of a function. A function is said to be differentiable if the derivative exists at each point in its domain. To check the differentiability of a function, we first check that the function is...

👉 Learn how to evaluate inverse trigonometric functions. The inverse trigonometric functions are used to obtain theta, the angle which yielded the trigonometric function value. It is usually helpful to use the calculator to calculate the...

Algebra 2 - How do you solve proportions two methods 5/b = 3/9

Why restrict? Find the inverse

In this video, the teacher explains how working backwards can help solve equations. They review properties such as the commutative property and the multiplicative inverse property. They also demonstrate how to solve equations step by...

This video explains how to use bar models to represent situations and solve addition equations. The example used is about April and Kelly's money, where the total amount is given and April's amount is known. The video also emphasizes...

Master Graphing Logarithmic equations with reflections then determine the domain and range

👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...