Find the slope and the y-intercept of the line.

Writing Linear Equations Given Slope and a Point When you are given a real world problem that must be solved, you could be given numerous aspects of the equation.

If you are given slope and the y-intercept, then you have it made. You have all the information you need, and you can create your graph or write an equation in slope intercept form very easily. However, most times it's not that easy and we are forced to really understand the problem and decipher what we are given.

It could be slope and the y-intercept, but it could also be slope and one point or it could be just two points. If you are given slope and a point, then it becomes a little trickier to write an equation. Although you have the slope, you need the y-intercept. You have enough information to find the y-intercept, but it requires a few more steps.

Let's look at an example. You must always know the slope m and the y-intercept b. Writing Equations Given Slope and a Point Write the equation of a line, in slope intercept form, that passes through the point 6, -3 with a slope of Let's first see what information is given to us in the problem.

We'll record this information in the chart below to keep it organized. Notice that in the chart, the 2 grey sections slope and y-intercept are the two numbers that we need in order to write our equation.

We know the slope and a point x,y. We can use this information to solve for b.

Then we can write our equation. Then you will solve for b.

The slope intercept form calculator tells you how to find the equation of a line for any two points that this line passes through. It will help you find the coefficients of slope and y-intercept, as well as the x-intercept, using the slope intercept formulas. The slope intercept form equation is expressed as y = mx + c, where 'm' represents the slope of the line and 'c' represents the y-intercept of a line. You can find the equation of a straight line based on the slope and y-intercept using this slope intercept form calculator. Math Tutor DVD provides math help online and on DVD in Basic Math, all levels of Algebra, Trig, Calculus, Probability, and Physics.

Now we know the slope m is -2 because that was given to us. We also now know the y-intercept bwhich is 9 because we just solved for b.

We can now write our equation! Since you are so awesome at solving equations, I'm sure this wasn't too painful.The online Slope Intercept Form Calculator is used to help you find the slope intercept form for the equation of the straight line which passes through two points.

It also calculates the slope and the y-intercept of the line. Slope Intercept Form. The slope intercept form equation is expressed as y = mx + c, where 'm' represents the slope of the line and 'c' represents the y-intercept of a line. You can find the equation of a straight line based on the slope and y-intercept using this slope intercept form calculator.

Writing Linear Equations Given Slope and a Point. When you are given a real world problem that must be solved, you could be given numerous aspects of the equation.

If you are given slope and the y-intercept, then you have it made. You have all the information you need, and you can create your graph or write an equation in slope intercept form very easily.

Math Tutor DVD provides math help online and on DVD in Basic Math, all levels of Algebra, Trig, Calculus, Probability, and Physics. Recall that the slope (m) is the "steepness" of the line and b is the intercept - the point where the line crosses the y-axis.

In the figure above, adjust both m and b . After completing this tutorial, you should be able to: Find the slope given a graph, two points or an equation. Write a linear equation in slope/intercept form.

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