Virtual Nerd
Virtual Nerd: How Do You Find the Determinant of a 2x2 Matrix?
This tutorial illustrates an example of how to find the determinant of a 2x2 matrix. [3:37]
Virtual Nerd
Virtual Nerd: What Is a Coefficient Matrix?
Provides an introduction to coefficient matrices and illustrates how to make one. [5:49]
Virtual Nerd
Virtual Nerd: What Is the Axis of Symmetry of a Quadratic Function?
The vertical line through the vertex on the graph of a quadratic function is known as the axis of symmetry. Watch this tutorial to learn about it. [2:13]
Virtual Nerd
Virtual Nerd: Algebra 2: What Is the Minimum of a Quadratic Function?
This tutorial takes a look at the minimum of a quadratic function which is the lowest point on the graph of a U-shaped function. [1:59]
Virtual Nerd
Virtual Nerd: Algebra 2: What Is the Maximum of a Quadratic Function?
This tutorial takes a look at the maximum of a quadratic function which is the highest point on an upside-down U-shaped graph. [1:47]
Virtual Nerd
Virtual Nerd: How Do You Find the Axis of Symmetry for a Quadratic Function?
The axis of symmetry is the vertical line that goes through the vertex of a quadratic equation. Take a look at this tutorial to see how to find the axis of symmetry for a given quadratic equation. [1:54]
Virtual Nerd
Virtual Nerd: Convert a Quadratic Equation From Vertex Form to Standard Form
If you want to solve a quadratic equation that's in vertex form, it's easier to first convert the equation to standard form. This tutorial will show you how. [4:15]
Virtual Nerd
Virtual Nerd: How Do You Graph a Quadratic Equation With No Solution?
Watch this tutorial to learn how to graph a quadratic equation to find the solution. [7:48]
Virtual Nerd
Virtual Nerd: How Do You Factor a Trinomial?
Take a look at this tutorial to see step-by-step instructions on how to factor a trinomial. Check your answer by using the FOIL method. [3:28]
Virtual Nerd
Virtual Nerd: How Do You Subtract Complex Numbers?
Watch this tutorial to learn how to subtract complex numbers and see a great example. [3:12]
Virtual Nerd
Virtual Nerd: How Do You Know if Two Ratios Are Proportional?
Ratios are proportional if they represent the same relationship. To see how to check if ratios are proportional, take a look at this tutorial. [4:34]
Virtual Nerd
Virtual Nerd: How Do You Find a Geometric Mean?
To find the geometric mean of two numbers, just find the product of those numbers and take the square root. View this tutorial to learn the process step-by-step. [1:40]
Virtual Nerd
Virtual Nerd: What Is a Normal Distribution?
This tutorial introduces normal distribution and shows the characteristics of a normal distribution curve. [4:22]
Virtual Nerd
Virtual Nerd: What Is a Weighted Average?
Watch this tutorial to learn about weighted averages, a special type of average that allows you to give special weights to the different values in your average. [3:06]
Virtual Nerd
Virtual Nerd: How Do You Find the Standard Deviation of a Data Set?
This tutorial illustrates the entire process of finding the standard deviation of a data set. [6:17]
Virtual Nerd
Virtual Nerd: How Do You Find Relative Frequency?
Relative frequency is how often something happens divided by all the outcomes. Watch this tutorial to learn all the steps needed to find the relative frequency. [3:25]
Virtual Nerd
Virtual Nerd: What Is Conditional Probability?
This tutorial explains conditional probability and illustrates how to find it. [8:30]
Virtual Nerd
Virtual Nerd: How Do You Find Conditional Probability?
This tutorial illustrates how to find the conditional probability in a real world problem. [4:15]
Virtual Nerd
Virtual Nerd: How Do You Measure an Object in Inches Using a Ruler?
This tutorial shows how to measure an object in inches using a ruler. [5:38]
Virtual Nerd
Virtual Nerd: What Is an Open Sentence?
An open sentence is simply a sentence that has a blank space. Take a look at this tutorial for examples on how to solve one. [5:37]
Virtual Nerd
Virtual Nerd: What Is Place Value for Whole Numbers?
Place value helps keep numbers straight. This tutorial displays a place value chart and provides a better understanding of place value. [8:12]
Virtual Nerd
Virtual Nerd: What Are the Metric Units of Capacity?
Learn about the liter and other metric units used to measure capacity by watching this tutorial. [5:01]
Virtual Nerd
Virtual Nerd: What Is a Multiple?
This tutorial serves as an introduction to multiples and explores how to find multiples of a given number and the least common multiple between numbers. [4:11]
Virtual Nerd
Virtual Nerd: How Do You Classify Triangles?
This tutorial provides practice in classifying triangles which is useful when figuring out how to solve for various sides and angles. [7:15]