5. Using Linear Models
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We are given a point and a slope, so we can use the point-slope form.
x+y=0
The quickest way to write an equation, with a given point and a slope, is by using the point-slope form. An equation in point-slope form follows a specific format. y- y_1= m(x- x_1) In this form, m is the slope and the point ( x_1, y_1) lies on the graph of the line. Using the point ( -3, 3) as our point and the slope -1, we have everything needed to form a point-slope form equation. y- 3= -1(x-( -3)) ⇔ y-3=-(x+3) Note that there are infinitely many correct ways to write this equation in point-slope form, as long as we use a point that lies on the line.