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Find the slope and the y-intercept of the graph of each equation and graph it. See Examples 4 and 5.$$4 x+y=-4$$
y intercept = -4Points (0,-4) and (-1,0)
Algebra
Chapter 3
Graphing Linear Equations and Inequalities in Two Variables; Functions
Section 5
Slope–Intercept Form
Graphs and Statistics
Equations and Inequalities
Linear Functions
Systems of Equations and Inequalities
Campbell University
Oregon State University
Idaho State University
Lectures
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So here is slope intercept form y equals MX plus B. And here's our equation, which is not in slope intercept form. But it would be nice if it was because then we would know the slope and the Y intercept. So what we're going to do is change the form of our equation. And to do that we can subtract four X from both sides, and that gives us why equals negative for X minus four. So now it's in slope intercept form and we can see that m the slope is negative for and we can see that be the Y. Coordinate of the Y intercept is also negative for so the Y intercept is the 0.0 negative. For now, we'll graph the line so we start by plotting the y intercept the 0.0 negative for and from there we're going to use the slope to help us find another point. Since the slope is negative, for you can think of it as negative for over one, and that tells you to go down for and write one. So from the point plotted down for right one, you can also go the opposite direction up four left one. You can do that as many times as you want, and then connect the points with a nice straight line. Use a ruler if you can, and extend beyond the points and you have your line.
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