3x 2y 16 in slope intercept form

3x 2y 16 in slope intercept form

Step 3: Plot the y -intercept point on the graph. Step 4: Use the slope to find a second point on the graph. Starting on the y-intercept 2, 0we will go down 3 and run right 5.

In previous chapters we solved equations with one unknown or variable. We will now study methods of solving systems of equations consisting of two equations and two variables. Upon completing this section you should be able to: Represent the Cartesian coordinate system and identify the origin and axes. Given an ordered pair, locate that point on the Cartesian coordinate system. Given a point on the Cartesian coordinate system, state the ordered pair associated with it. Note that this concept contains elements from two fields of mathematics, the line from geometry and the numbers from algebra.

3x 2y 16 in slope intercept form

The slope of a line is its vertical change divided by its horizontal change, also known as rise over run. When you have 2 points on a line on a graph the slope is the change in y divided by the change in x. Input two points using numbers, fractions, mixed numbers or decimals. The slope calculator shows the work and gives these slope solutions:. You will also be provided with a custom link to the Midpoint Calculator that will solve and show the work to find the midpoint and distance for your given two points. Here you need to know the coordinates of 2 points on a line, x 1 , y 1 and x 2 , y 2. Say you know two points on a line and their coordinates are 2, 5 and 9, Find slope by finding the difference in the y points, and divide that by the difference in the x points. Using the coordinates of one of the points on the line, insert the values in the x1 and y1 spots to get an equation of a line in point slope form. Lets use a point from the original example above 2, 5 , and the slope which we calculated as 2.

To eliminate x multiply each side of the first equation by 3 and each side of the second equation by

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We have graphed linear equations by plotting points, using intercepts, recognizing horizontal and vertical lines, and using the point—slope method. Substituting into the slope formula:. The equation of this line is:. To find the slope of the line, we need to choose two points on the line. In Understand Slope of a Line , we graphed a line using the slope and a point. This equation is not in slope—intercept form.

3x 2y 16 in slope intercept form

When you graph linear equations, you may notice that some lines tilt up as they go from left to right and some lines tilt down. Some lines are very steep and some lines are flatter. In mathematics, the measure of the steepness of a line is called the slope of the line. The concept of slope has many applications in the real world. In construction the pitch of a roof, the slant of the plumbing pipes, and the steepness of the stairs are all applications of slope. We can assign a numerical value to the slope of a line by finding the ratio of the rise and run. The rise is the amount the vertical distance changes while the run measures the horizontal change, as shown in this illustration. Slope is a rate of change. The rise measures the vertical change and the run measures the horizontal change.

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If an equation is in this form, m is the slope of the line and 0,b is the point at which the graph intercepts crosses the y-axis. Notice that all the points that satisfy the equation are to the left and below the line while all the points that will not are above and to the right. Many word problems can be outlined and worked more easily by using two unknowns. Therefore, the best method of solving it is the addition method. We say "apparent" because we have not yet checked the ordered pair in both equations. There are, in fact, three possibilities and you should be aware of them. We can choose either x or y in either the first or second equation. Next check a point not on the line. Step 3 Solve for the unknown. In the figure below, the three lines are concurrent because they all intersect at a single point P. Resources Leaderboard All Tags Unanswered.

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Using this information, graph x When the graph of the line goes through the origin, any other point on the x- or y-axis would also be a good choice. No matter how far these lines are extended, they will never intersect. If you choose to eliminate y, multiply the first equation by - 2 and the second equation by 3. It is in slope intercept form. In this table we let x take on the values 0, 1, and 2. Step 2 Check one point that is obviously in a particular half-plane of that line to see if it is in the solution set of the inequality. In previous chapters we solved equations with one unknown or variable. All the intersecting lines or non-parallel lines are concurrent. Step 2: Step 3: Since the point 0,0 is not in the solution set, the half-plane containing 0,0 is not in the set. Be careful here. What is the slope intercept form of 6x plus 5y equals ?

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