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.
Curated OER
What Do You Do With a Zero Exponent?
There is one exception to this rule, but all numbers that have a power of zero equal one. Don't believe it? Watch this video as the instructor breaks it down to prove this to be true. This makes solving a problem with a zero exponent...
Curated OER
How Do You Subtract Polynomials Vertically?
Subtract polynomials? Huh? First off, find the additive inverse of the number you are subtracting. Next, rewrite the polynomials one on top of the other. Make sure to line up the like terms and then write in placeholders. Now, add the...
Curated OER
How Do You Add Polynomials Vertically?
The instructor demonstrates how to line up two polynomials vertically to add them together. She emphasizes lining up the terms with the same powers. She also identifies some places where there is no term and shows how to write a...
Curated OER
How Do You Convert From Decimal Notation to Scientific Notation?
The instructor demonstrates how to convert a number written in decimal form to scientific notation. An example is given for a number with a positive exponent and an example is given for a number with a negative exponent.
Curated OER
What's the Power of a Quotient Rule?
What's the definition of the power of a quotient rule? You have a fraction that has variables and exponents in the numerator and the denominator, and the whole thing is to a power. Oh my! Don't cry! You can do this. Once you see the rule...
Curated OER
How Do You Find the Cube Root of a Perfect Cube?
Introduce your class to cube roots! You can show them this video, in which an instructor demonstrates how to find the cube root of a perfect cube. While this video is clear and well-made, it is appropriate only for more advanced learners...
Curated OER
How Do You Find the Degree of a Polynomial?
How do you determine the degree of a term? How do you determine the degree of a polynomial? Oh my! Observe the teacher as she shows you just how to figure out the degrees, first of terms, then of polynomials.
Curated OER
How Do You Convert From Scientific Notation to Decimal Notation?
The instructor demonstrates how to convert a number written in scientific notation to a decimal number. An example is given for a number with a positive exponent, and an example is given for a number with a negative exponent.
Curated OER
What Do You Do With a Negative Exponent?
Just watch this video for a very thorough explanation, step-by-step, on how to work with negative exponents. The instructor explains how it is possible that negative exponents and inverses and fractions are connected in this situation....
Curated OER
How Do You Identify Exponential Behavior from a Pattern in the Data?
The teacher illustrates two different exponential tables and explains what each one of them means. These are function tables, one demonstrates exponential growth and the other exponential decay. She clarifies how to analyze the...
Curated OER
How Do You Convert From Logarithmic Form to Exponential Form?
Converting between logarithmic form and exponential form is an important skill in solving problems involving exponents. This video shows how to convert an equation in logarithmic form to exponential form. The instructor reviews the...
Curated OER
How Do You Convert From Exponential Form to Logarithmic Form?
An example of taking an equation written in exponential form and writing it to logarithmic form is explored in this video.
Curated OER
What is the Product Rule for Inverse Variation?
The instructor explains the product rule of inverse variation using the transitive property of equality.
Curated OER
How Do You Find the Least Common Multiple of Monomials?
Looking for the least common multiple, not the greatest common factor. It's so easy to mix these up. It may seem a little confusing at first because there are variables and exponents in the monomial examples. Watch this video and get...
Curated OER
How Do You Find the Volume of a Box Whose Sides are Monomials?
Length times width times height. Yes, the formula for the volume of a rectangular shape. But the values are monomials. Use the knowledge you have to multiply the monomials and then write it in simplest form.
Curated OER
How Do You Evaluate an Exponential Function?
Set up a table to keep track of your values as you evaluate an exponential function. Select some values for the table to plug in to the given exponential expression. Then evaluate the expression. Do you see a pattern?
Curated OER
How Do You Find the Product of Powers?
Practice using the product of powers rule to simplify an expression. Remember that only like-bases can be put together. Use the commutative property of multiplication to rearrange the terms and then use the formula to combine terms. Now...
Curated OER
What's the Quotient of Powers Rule?
What's the definition of the quotient of powers rule? Don't confuse this rule with the power of a quotient rule. This quotient of powers rule is quite simple in that you can just subtract. Wow! Take the power from the numerator and...
Curated OER
What are Exponents?
Everything you wanted to know about exponents, and more? Positive exponents, negative exponents, numbers to the power of one, and expressions to the power of zero.
Curated OER
What's Scientific Notation?
The instructor clarifies how to write numbers in scientific notation. There are a couple of criteria that must be followed in order to be able to write either a very small number, or a very large number, with lots of zeros, in scientific...
Virtual Nerd
What's the Product of Powers Rule?
Learning this rule will make your work with exponents much easier. The product of powers rule simply states that if you are multiplying numbers with the same base you can just add the exponents to get your answer. The instructor...
Curated OER
What is the Product Rule for Inverse Variation?
The instructor explains the product rule of inverse variation using the transitive property of equality.
Sophia Learning
Sophia: Expanding Exponential Notation: Lesson 13
This lesson shows students how to go from exponential notation to the actual number being represented. It is 13 of 15 in the series titled "Expanding Exponential Notation."