Krista King Math
Variables on Both Sides of a Simple Equation
Investigate the process of solving linear equations with variables on both sides with a video that demonstrates a simple example that requires the variables to be manipulated to one side of the equation. The second example is more...
Krista King Math
Simple Equations with Subscripts
Examine formulas that utilize subscripts with a video tutorial that explains the process of substitution within a formula and then solving for an unknown. The instructor makes a connection between the formula that uses subscripts and one...
Krista King Math
Simple Equations
Explore the meaning of inverse operations through a video tutorial that demonstrates the process of solving an equation using an inverse operation. The example chosen is a one-step equation using subtraction.
Krista King Math
Prove the Equation Has at Least One Real Root
Discover some more applications of the Intermediate Value Theorem with a video that shows how to prove that an equation has at least one real solution. Viewers learn to consider domain and range to identify an appropriate interval to use...
Krista King Math
How to Find Removable Discontinuities
So that's why its called a removable discontinuity. By watching the video, viewers learn to classify discontinuities as either removable or non-removable. They then learn to write a modified function that removes any removable...
Krista King Math
Limit of an Inequality, with Squeeze Theorem
How do you find the limit of a function that doesn't have an algebraic representation? Viewers learn to find the limit of a function defined in terms of an inequality. The Squeeze Theorem comes in handy here.
Krista King Math
How to Find the One-sided Limits of a Function
Do one-sided limits require only half the work? The video teaches scholars how to find one-side limits from a graph. It covers an example where the one-sided limits give the general limit and an example where one of the one-sided limits...
Krista King Math
Infinite Limits
Is the limit infinite or DNE? The video works through an example of finding a vertical asymptote for a trigonometric function and determining the one-sided limits on each side of the vertical asymptote.
Krista King Math
Use Limit Laws to Evaluate Limits of Combination Functions
There are properties of real numbers, properties of exponents, and yes, even properties of limits. By watching the video, viewers learn how to apply properties of limits to determine the limits of combinations of functions. The...
Krista King Math
Limits and Continuity
Watch an overview of the concepts of limits and continuity. Viewers learn the definitions of limits and continuity and look at several examples. They identify ways to evaluate limits and distinguish between different types of...
Krista King Math
Inverse Operations
Demonstrate the important concept of inverse operations through an engaging video tutorial. The narrator explains that creating an understanding of inverse operations is essential to solving equations. The video also looks...
Krista King Math
Balancing Equations
Build a strong understanding of equations with a video that shows pupils how to solve through inverse operations. The narrator explains the concept of solving equations by using operations that balance each side. She solves both a...
Krista King Math
Evaluating Expressions
Viewers examine the steps of evaluating expressions by substituting variable values with a video that shows two examples that include parentheses within the expressions. Each example incorporates negative integer practice.
Krista King Math
Rationalize an Imaginary Denominator with Conjugate Method
Explore a procedure for rationalizing a denominator that includes imaginary terms with a video that shows how to use a conjugate when working with fractions. The narrator explains the process from start to finish with each step...
Krista King Math
Imaginary Numbers
Scholars learn to use their imagination in math class! The tutorial explains the origin of the number i and then simplifies expressions that include imaginary numbers. The examples include i raised to different powers, giving...
Krista King Math
Negative Exponents
Viewers examine power expressions with negative exponents through a video that shows four examples of simplifying a negative exponent to create an expression with only positive exponents. Examples include both integers and variables.