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Lorenza Eichmann

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3y ago
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15y ago

To find the slope of a nonvertical line you need two know two points where the line passes through. The equation of a line in the slope- intercept form is: y = mx + b, where m is the slope and b is the y-intercept.

You can use the point (5, -8) when you know the slope. In this case, when the line is a horizontal line, and the slope is 0 (because all the y-values are equal in a horizontal line), we can say that the equation of the line is y = -8, where -8 is the y-intercept. To get an equation, we use the point-slope form with m = 0, x1 = 5, and y1 = -8. (y - y1) = m(x - x1) y - -8 = 0(x - 5) y + 8 = 0 subtract 8 to both sides; y = -8 Thus, we can say that a horizontal line is given by an equation of the form y = b, where b is the y-intercept.

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Q: What is the slope intercept form when a horizontal line is passing through 5 -8?
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