Graphing slope-intercept form (article) | Khan Academy
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:graphing-slope-intercept-equations/a/graphing-slope-intercept-form
WebIn order to graph a line, we need two points on that line. We already know that ( 0, 3) is on the line. Additionally, because the slope of the line is 2 , we know that the point ( 0 + 1, 3 + 2) = ( 1, 5) is also on the line. [How do we know that?] Check your understanding. Problem 1. Graph y = 3 x − 1 . Problem 2. Graph y = − 4 x + 5 .
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