New ReviewThis video explains how to solve a square root equation using the "peel the onion" strategy (0:00). The method involves isolating the function by undoing operations from the outermost layer inward, starting with addition/subtraction,...

New ReviewWhat does it look like when we have an equation with one solution vs one with two solutions.

New ReviewIn this video, I want to go over how to quickly simplify radicals. We'll explore a five-step method for simplifying radical expressions, especially those with larger numbers and exponents, focusing on algebraic expressions inside the...

New ReviewLets go ahead and multiply two radical expressions and then simplify the result.

In this shorts video we will find the radius of a circle using area. We will begin with identifying the formula for finding the area of a circle. We will highlight the given information and rewrite the area formula using the given...

In this shorts video we will learn about perfect squares & cubes. We will understand the relationship between squaring a number and find the square root of a number. We will also understand the relationship between cubing a number and...

In this shorts video we will answer a standardized math test question by using The Pythagorean Theorem in the Real World. We will be presented with a problem to find the diagonal distance from the top of a flagpole to a point on the...

In this shorts math video we will learn how to solve a quadratic equation two ways to answer a standardized math test question. We will be presented with an equation and four answer choices. We will understand that x squared is...

In this shorts math video we will factor using difference of squares to answer a standardized math test question. We will begin by identifying the first and last term are both perfect squares. We will identify the pattern of difference...

In this shorts math video we will find the side of a square using area. We are given the area of a square and asked to find the side length of the square. We will review and use the formula A=s^2, (A equals s squared.) We will rewrite...

In this math shorts, we’ll estimate an irrational square root using a number line and perfect squares! Watch how we find which perfect squares a non-perfect square root falls between — and how to decide which it’s closest...

This is the solution to the practice exercise to estimate how well a regression works using the root mean square error method.

In this lecture, you will learn another important metric to determine the quality of our regression using the root mean square error method.

This is the solution to the practice exercise on Pearson's coefficient regression analysis.

In this lesson, we will work through all the steps of hypothesis testing with an example of proportion testing.

In this video, you will learn more about the student's t-test and t-distribution in detail.

This video elaborates on performing actual hypothesis testing through a demonstration.

This lesson will explore a confidence interval while estimating the significance level and determining an acceptable margin of error.

After learning about the measures of spread, the range, and IQR, we will now learn more about the two most common measures of spread, the variance, and standard deviation.

Master the fundamentals of AP Physics 1 Unit 1: Kinematics with this clear, example-driven walkthrough of common stumbling blocks students face. We’ll break down how instantaneous velocity differs from average velocity, why “negative...

A video entitled "Square and Cube Roots" which relates square roots and building perfect squares with Legos.

Howcast - The Pythagorean theorem is a cornerstone of geometry. Here's how to use it.

Howcast - The geometric mean of two numbers is the square root of their product. More generally, it is the “nth” root of the product of n numbers.

Pupil outcome: I can evaluate an expression where the subject has been changed and where it has not. Key learning points: - Changing the subject can make it easier to evaluate a formula. - It is possible to evaluate a formula without...