Curated OER
What's the Y-Intercept?
In a linear equation, the y-intercept is really just the point where the graph of the line crosses the y-axis.
Curated OER
What's the X-Intercept?
In a linear equation, the x-intercept is really just the point where the graph of the line crosses the x-axis.
Curated OER
How Do You Solve an Equation with Variables on Both Sides?
So you have a variable on both sides of the equation. How do you solve this kind of equation? Just get like terms together on each side of the equation and then isolate that variable.
Curated OER
How Do You Find the Slope of a Ramp If You Know the Rise and Run?
Do you know the formula for slope? Yes, rise over run. Then all you have to do is plug in the given values and solve for the slope of the ramp.
Curated OER
How Do You Check if a Point is on a Line If You Have a Graph?
The instructor demonstrates how to verify that a given point does or does not lie on the line of a given equation. She draws a graph (the axis lines need arrow ends) and plots the given linear equation. She then plots the coordinate...
Curated OER
How Do You Solve a Two-Step Equation With a Negative Variable Term?
The instructor goes through the steps of how to solve for the value of a variable in a two-step equation. Beware, this problem has a negative variable in the beginning.
Curated OER
How Do You Write the Equation of a Line in Slope-Intercept Form from a Word Problem?
There will be two variables in this equation since a straight line means a linear equation. Writing the equation in slope-intercept form means there is an x-value and a y-value. So let's watch this video and see what it takes to use the...
Curated OER
How Do You Solve Two Equations with Two Variables?
Two equations, two unknown variables. Use the substitution method to solve for one of the variables. Then plug that value into one of the equations to solve for the other variable. Finally plug both values into one of the original...
Curated OER
How Do You Graph a System of Equations With No Solution?
Two equations. What's the solution to this system? How can you solve it? Can you write the two equations in slope-intercept form? Yes, you can. Now graph each equation. Look, the lines are parallel. What does that mean? That means there...
Curated OER
How Do You Put an Equation in Point-Slope Form Into Standard or Slope-Intercept Form?
Given a linear equation, rewrite it in different forms. No matter what form a linear equation is given in, it can be converted to the other forms. So that means every linear equation can be written in standard form, point-slope form and...
Curated OER
How Do You Find the X- and Y-Intercepts of a Line in Slope-Intercept From?
Find the x and y intercepts in a given linear equation written in slope intercept form. Piece of cake! There are just two things to do. First, substitute 0 for x and solve to find the y-value. Then substitute 0 for y to find the value of...
Curated OER
How Do You Find the X- and Y-Intercepts of a Line If You Have a Graph?
The x-intercept is the point at which the line of the equation crosses the x-axis. The y-intercept is the point at which the line of the same equation crosses the y-axis. It's as easy as that. Look at your graph and note these locations.
Curated OER
How Do You Determine if an Ordered Pair is a Solution to an Equation?
There are several ways to determine if an ordered pair is the solution to a linear equation. The ordered pair can be plugged in to the equation to check if it's a solution. However, in this video the instructor sets up a table and plugs...
Curated OER
How Do You Solve a System of Equations by Graphing?
Two equations. What's the solution to this system? How can you solve it? Can you write the two equations in slope-intercept form? Yes, you can. Now graph each equation. Look, the lines intersect. What does that mean? That means that...
Curated OER
How Do You Graph a Line If You're Given the Slope and the Intercept?
You have been given the value for the y-intercept and the slope of a line. Now you have to graph it. So draw a graph, plot your y-intercept and then count out your movement for slope. Don't forget to connect the dots and draw a line...
Curated OER
How Do You Solve a Word Problem Using Two Equations?
Two equations and two unknown variables in a word problem. Don't cry! Follow the instructor through these nine steps to find the solutions. Identify the variables, write the equations, solve for one of the variables, use the substitution...
Curated OER
How Do You Solve a System of Equations Using the Elimination by Addition Method?
How can a value of x and y satisfy a solution to two equations? It doesn't seem possible. Given a system of linear equation, find a solution that satisfies both equations. It can be done. In this video, the instructor demonstrates how to...
Curated OER
What's Standard Form of a Linear Equation?
How many ways can you write a linear equation? Lots! Each form has its purpose in the world of algebra, so do you know how to write it in standard form? Ax+by=c. This is what standard form looks like. Can you rearrange the given equation...
Curated OER
How Do You Find the Y-Coordinate of a Point on a Line If You Have a Graph?
Looking at the graph of a given linear equation, find the y(4). What? What does that even mean, find y(4)? Watch this video and the teacher will show and tell everything about finding the y(4) from the given graph.
Curated OER
How Do You Graph a Linear Equation by Making a Table?
Graph a linear equation by creating a table to get some values to plot. Select some values for x and plug them into the equation to get the y values. The x and y values make ordered pairs that can be plotted on the graph. After plotting...
Curated OER
How Do You Determine if a Graph Represents a Linear, Exponential, or Quadratic Function?
What does the graph of a linear equation look like? How about a graph of a quadratic equation? What does a graph of an exponential function look like? Watch this video and see as the instructor illustrates and explains each of these...
Curated OER
How Do You Solve an Equation with Variables on Both Sides and Fractions?
Fractions and variables on both sides of the equation? Oh my! There are one hundred and one steps to solving this equation. Not really, but now that I have your attention, I recommend you watch this video closely and follow the...
Curated OER
How Do You Put an Equation in Slope-Intercept Form Into Standard or Point-Slope Form?
Given a linear equation, rewrite it in different forms. No matter what form a linear equation is given in, it can be converted to the other forms. So that means every linear equation can be written in standard form, point-slope form and...
Curated OER
How Do You Write an Equation of the Line in Slope-Intercept Form If You Have a Graph?
An equation can be gotten from the graph of a line. Yes, it can. Watch this video and follow the instructor as she goes step-by-step explaining and illustrating how to get an equation from information from the graph of a line.