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Write an equation of the line with the given slope and $y$ -intercept and graph it. See Example 2.Slope $-3, y$ -intercept $\left(0,-\frac{1}{2}\right)$
$y=-3 x-1 / 2$
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
McMaster University
Harvey Mudd College
Baylor University
University of Michigan - Ann Arbor
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Let's find the equation of the line that has a slope of negative three and A Y intercept of zero negative 1/2 so we can use slope intercept form y equals MX plus B, where M is the slope. So are Emma's negative three, and B is the Y. Coordinate of the Y intercept sorbet is negative 1/2. So when we substitute those numbers into the equation, we get why equals negative three x minus 1/2. And that's the equation of the line. To graph the line we want to start by plotting the point. The Y intercept zero negative 1/2 From there, we want to use our slope to find another point. And since the slope is negative three, we can think of it as negative three over one. And that tells us go down three and write one. So from the point plotted down three right one. You can do that over and over. If you have the space and connect and extend beyond the points and you'll get your line
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