Instructional Video0:05
Curated OER

What's Another Way of Solving a System of Equations Using the Elimination by Multiplication Method?

8th - 9th
Another look at solving systems of equations by using the elimination method. In this process, the instructor first uses the distributive property to multiply one of the equations to set it up for the elimination step. Yes, there are...
Instructional Video5:02
Curated OER

How Do You Solve a System of Equations Using the Elimination by Multiplication Method?

8th - 11th
The elimination method is so called because the objective is to eliminate one of the variables to solve for the remaining variable. There is an extra step in this system of equations as the original equations are not similar enough. So...
Instructional Video5:04
Curated OER

How Do You Solve a System of Equations Using the Elimination by Subtraction Method?

8th - 11th
Check out this video and see how the instructor explains how to solve a system of equations by using the elimination method. There are several steps in solving this equation: multiplying the equation by negative one, subtracting a...
Instructional Video1:35
Curated OER

How Do You Check if a Point is on a Line If You Have an Equation?

6th - 9th
Can it be determined if a given point satisfies the equation and is thus a point on the line of the graph? So given a coordinate point, plug the values into the equation and solve. If the solution is true, then the given point lies on...
Instructional Video2:12
Curated OER

How Do You Check if a Point is on a Line If You Have a Graph?

7th - 9th
The instructor demonstrates graphically how to verify that a given point lies on the line of a given equation. She graphs a line in slope-intercept form, and then plots the point to verify if it is in fact, on the graph of the line.
Instructional Video2:23
Curated OER

How Do You Find the X-Coordinate of a Point on a Line If You Have Another Point and the Slope?

8th - 10th
Use the slope formula to find the missing coordinate. You've been given all the needed information to solve this problem. So all you need to do is plug in the values and solve for the missing variable value.
Instructional Video4:44
Curated OER

How Do You Graph a Line If You're Given the Slope and a Single Point?

8th - 10th
You have a slope and a given point and now you have to graph it. Begin by drawing a graph and then plotting the given point. Remember that slope is rise over run. So, from the given point move the appropriate spaces to plot the next...
Instructional Video2:13
Curated OER

How Do You Find the Y-Intercept of a Line If You Have Another Point and the Slope?

8th - 11th
Looking to teach your class how to find the y-intercept of a line using another point and the slope? Consider this video as an instructional tool. Learners can watch as a lecturer demonstrates how to find the y-intercept, using the...
Instructional Video5:57
Curated OER

How Do You Write an Equation of a Line in Slope-Intercept Form If You Have a Table?

8th - 9th
There are many pieces and many parts to this problem. It seems simple enough to write an equation in slope-intercept form. In this problem, there is a given table of values and information from this table is used to get an equation...
Instructional Video1:10
Curated OER

How Do You Write an Equation of a Line in Slope-Intercept Form If You Have the Slope and the Y-Intercept?

8th - 10th
If you are given the value for slope (m), and the value for the intercept (b), all you need to do is remember what the slope-intercept form looks like. Y=mx+b. Then you just have to plug the given values into the slope-intercept line of...
Instructional Video2:30
Curated OER

What's Slope-Intercept Form of a Linear Equation?

8th - 11th
A clear introduction to slope-intercept form, this would be helpful for learners who are struggling with this concept. You might also provide this instructional video for class members to use as they work on homework or class work. A...
Instructional Video2:37
Curated OER

How Do You Write an Equation of a Line in Point-Slope Form If You Have Two Points?

8th - 10th
Given two points on a line, write an equation in point-slope form. But what's the slope? Oh, you have to figure out the slope first. That can be done given two points. Just use the rise over run slope formula. This isn't so hard after...
Instructional Video4:39
Curated OER

How Do You Write an Equation of a Line in Slope-Intercept Form If You Have One Point and a Perpendicular Line?

8th - 9th
This problem has many steps involved. Finding equations and rearranging equations. Finding slope and getting the opposite reciprocal of a slope. Finding intercepts. There's a lot to do to solve this problem. It's not so difficult, it...
Instructional Video1:49
Curated OER

What's the Y-Intercept?

7th - 9th
In a linear equation, the y-intercept is really just the point where the graph of the line crosses the y-axis.
Instructional Video5:40
Curated OER

How Do You Use X- and Y-Intercepts To Graph a Line In Standard Form?

8th - 11th
Given a linear equation, find the x-intercept and the y-intercept to graph the line. Not sure what to do or where to start? Watch this video and see the instructor break it down and make it understandable.
Instructional Video2:12
Curated OER

How Do You Write an Equation for a Vertical Line?

7th - 9th
To find the equation of a vertical line you need to use x=b to determine the equation. This tutorial explains the use of formula x=b to find a value for an unknown y. The explanation of this concept is rushed making this tutorial only...
Instructional Video1:48
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Curated OER

How Do You Find the Constant of Variation from a Direct Variation Equation?

8th - 11th
What is a constant variation? How can something change and be constant? Oh, the rate of change is constant. So if there are two variables that are directly proportional they can have a constant of variation? Yes! Still a bit confused?...
Instructional Video1:58
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Curated OER

What Does Direct Variation Look Like on a Graph?

8th - 9th
In a graph of a direct variation, the line must pass through the origin, (0,0). See the teacher illustrate what that looks like on a graph.
Instructional Video3:59
Curated OER

How Do You Solve a System of Equations Using the Substitution Method?

6th - 12th
Watch this video to learn how to find the solution to a system of equations with the substitution method! A teacher will lead you through each step necessary, explaining her steps and the reasoning behind her decisions. After watching...
Instructional Video6:24
Curated OER

What is a Linear Equation?

6th - 12th
Explore linear equations with this video about lines with equal signs! The instructor demonstrates linear equations in a variety of ways: writing examples, plugging in solutions, and graphing equations. This resource could act as an...
Instructional Video2:49
Curated OER

How Do You Find the Y-Intercept of a Line If You Have Another Point and the Slope?

6th - 12th
Looking to teach your class how to find the y-intercept of a line using another point and the slope? Consider this video as an instructional tool. Learners can watch as a lecturer demonstrates how to find the y-intercept, using the...
Instructional Video3:06
Curated OER

What's Slope-Intercept Form of a Linear Equation?

6th - 12th
A clear introduction to slope-intercept form, this would be helpful for learners who are struggling with this concept. You might also provide this instructional video for class members to use as they work on homework or class work. A...
Instructional Video1:46
Curated OER

How Do You Write an Equation of a Line in Slope-Intercept Form If You Have the Slope and the Y-Intercept?

6th - 12th
If you are given the value for slope (m), and the value for the intercept (b), all you need to do is remember what the slope-intercept form looks like. Y=mx+b. Then you just have to plug the given values into the slope-intercept line of...
Instructional Video6:29
Curated OER

How Do You Solve a System of Inequalities by Graphing?

6th - 12th
You've got a linear system of inequalities? You need to solve it by graphing? No sweat. Make sure that each equation is in slope-intercept form and then graph each equation. Is it a solid line or a dashed line? Which side of the line...