• #### Absolute Value Equations - Problem 4

##### Math›Algebra›Absolute Value
How to solve equations with absolute values when the absolute value equals a negative number.
• #### Derivatives of Power Functions - Problem 1

##### Math›Calculus›The Derivative
How to compute the derivatives of several power functions, including negative and fractional powers.
• #### Expanding Logarithms - Problem 3

##### Math›Precalculus›Exponential and Logarithmic Functions
How to use the laws of logarithms to expand a log of negative powers of a complicated quotient.
• #### Introduction to Imaginary Numbers - Problem 2

How to define a complex number.
• #### Additive and Multiplicative Inverses - Problem 2

##### Math›Algebra›Pre-Algebra
How to find the multiplicative inverse of fractions, positive numbers, and negative numbers.
• #### Absolute Value Equations - Problem 2

##### Math›Algebra›Absolute Value
How to solve equations with absolute values when dividing by a negative number.
• #### Limits of Rational Functions - Concept

##### Math›Precalculus›Polynomial and Rational Functions
How to evaluate the limit of k/x^n as x goes to infinity (or negative infinity).
• #### Factoring Trinomials, a = 1 - Problem 3

##### Math›Algebra›Factoring
How to factor a trinomial with a leading coefficient of 1, b is negative and c is positive.
• #### Exploring Quadratic Graphs - Problem 1

How to make a table to graph a quadratic equation when the leading coefficient is negative.
• #### Simplifying Expressions and Combining Like Terms - Problem 5

##### Math›Algebra›Pre-Algebra
Basic overview of combining like terms, including negative coefficients
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• #### Simplifying Expressions with Exponents - Problem 3

##### Math›Algebra›Exponents
How to simplify fractions with multiple integers, variables, and positive and negative exponents.
• #### Simplifying Expressions with Exponents - Problem 2

##### Math›Algebra›Exponents
How to multiply fractions with numbers and letters with positive and negative exponents.
• #### Applications of Linear Equations - Problem 2

##### Math›Algebra›Linear Equations and Their Graphs
How to write equations for and graph word problems with a negative slope.
Tags:
word problem
• #### Applications of Linear Equations - Problem 2

##### Math›Algebra 2›Graphs of Linear Equations
How to write equations for and graph word problems with a negative slope.
Tags:
word problem
• #### Dividing Complex Numbers - Problem 7

Rationalizing denominators where there is a root of a negative number, meaning we'll likely have an imaginary result.
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• #### Factoring Trinomials, a = 1 - Problem 2

##### Math›Algebra›Factoring
How to factor a trinomial with a leading coefficient of 1, b is positive, and c is negative.
• #### Limits of Rational Functions - Problem 3

##### Math›Precalculus›Polynomial and Rational Functions
How to find the limit of a rational function as x goes to infinity (or negative infinity).
• #### Limits of Rational Functions - Problem 1

##### Math›Precalculus›Polynomial and Rational Functions
How to find the limit of a rational function as x goes to infinity (or negative infinity).
• #### Expanding Logarithms - Problem 3

##### Math›Algebra 2›Inverse, Exponential and Logarithmic Functions
How to use the laws of logarithms to expand a log of negative powers of a complicated quotient.
• #### Economics: Cost & Revenue - Problem 1

##### Math›Calculus›Applications of the Derivative
How to determine intervals of time when the average rate of change is negative or positive, and how to compute average rate of change from a graph.
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