Virtual Nerd
Virtual Nerd: How Do You Find the Slope of a Line From a Graph?
Tutorial illustrates how to find the slope of a line by first identifying two points on a graphed line then using these points to calculate the slope. [3:03]
Virtual Nerd
Virtual Nerd:how Do You Graph a Line if You're Given the Slope and the Intercept
Discover how to use a given slope and y-intercept to graph a line by watching this video tutorial. [5:05]
Virtual Nerd
Virtual Nerd: What's the Formula for Slope?
Learn the formula to find the slope of a line by watching this tutorial. [1:41]
Virtual Nerd
Virtual Nerd: What's the X Intercept?
When you have a linear equation, the x-intercept is the point where the graph of the line crosses the x-axis. In this tutorial, learn about the x-intercept. [1:55]
Virtual Nerd
Virtual Nerd: What Does the Slope of a Line Mean?
The slope of a line is the steepness of the line, the rise over the run, the change in 'y' over the change in 'x', or the gradient of a line. Watch this tutorial to learn about slope. [4:54]
Virtual Nerd
Virtual Nerd: What's the Constant of Variation?
Take a look at this tutorial to learn about the constant of variation, the relationship between two variables does not change. [3:21]
Virtual Nerd
Virtual Nerd: What Does Direct Variation Look Like on a Graph?
Tutorial demonstrates what a direct variation looks like graphically. [1:57]
Virtual Nerd
Virtual Nerd: What's Positive Correlation?
Learn about positive correlation by watching this tutorial. [1:06]
Virtual Nerd
Virtual Nerd: What's Negative Correlation?
Learn about line-of-fit, negative slope, and negative correlation by watching this tutorial. [1:02]
Virtual Nerd
Virtual Nerd: What Does It Mean to Have No Correlation?
Learn about no correlation and see how to tell if data shows no correlation by watching this tutorial. [1:07]
Virtual Nerd
Virtual Nerd: What Does Negative Slope Mean?
Find out what the graph of a negative slope looks like by watching this tutorial. [6:41]
Virtual Nerd
Virtual Nerd: What Are Vertical Lines?
All vertical lines have the same slope. Watch this tutorial to learn all about vertical lines including their slope and what the equation of a vertical line looks like. [4:30]
Virtual Nerd
Virtual Nerd: What Are Horizontal Lines?
Gain information about horizontal lines including their slope and what the equation of a horizontal line looks like. [3:44]
Virtual Nerd
Virtual Nerd: What Does Positive Slope Mean?
Watch this tutorial to learn about positive slopes and what the graph of a positive slope looks like. [6:02]
Virtual Nerd
Virtual Nerd: What Does 0 Slope Mean?
Watch this tutorial to learn about the meaning of zero slope which is just the slope of a horizontal line. [6:19]
Virtual Nerd
Virtual Nerd: What Does Undefined Slope Mean?
An undefined slope is the slope of a vertical line where the x-coordinate never changes no matter what the y-coordinate is. Watch this tutorial to learn more about the meaning of undefined slope. [5:29]
Virtual Nerd
Virtual Nerd: What's Slope Intercept Form of a Linear Equation?
Watch this tutorial and learn about the point-slope form of a line. [2:30]
Virtual Nerd
Virtual Nerd: What's the Y Intercept?
Watch this tutorial to learn about the y-intercept, the point where the graph of the line of a linear equation crosses the y-axis. [1:49]
Virtual Nerd
Virtual Nerd: How Do You Solve a System of Equations by Graphing?
Check out this tutorial to see how to solve a system of linear equations by graphing both lines and finding their intersection. [4:01]
Virtual Nerd
Virtual Nerd: Solve a System of Equations Using the Substitution Method
In this tutorial, you'll see how to solve a system of linear equations by substituting one equation into the other and solving for the variable, then using that variable value to find the value of the other variable. [3:23]
Virtual Nerd
Virtual Nerd: What Are Equivalent Ratios?
This video tutorial takes a look at ratios and shows how to tell if they have the same value or are equivalent. [4:54]
Virtual Nerd
Virtual Nerd: How Do You Solve a Word Problem Using Ratios?
Take a look at this tutorial to see how to use a ratio to create equivalent ratios. [4:34]
Virtual Nerd
Virtual Nerd: Solving an Inequality Where You're Multiplying Positive Fractions
Watch this video tutorial to discover how to solve an inequality for a variable. Remember to perform the order of operations in reverse. [1:59]
Virtual Nerd
Virtual Nerd: How Do You Solve a Two Step Equation by Distributing a Fraction?
View this video tutorial to learn how to solve an equation for a variable by removing the grouping symbols. [3:21]