Linear Equations in Point-Slope Form

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Read the information, which describes writing and graphing equations in point-slope and shows how to convert from the point-slope form to slope-intercept form, which can often be more useful. Watch the videos for more examples. After you read, complete Review Problems 3, 4, 7, 8, 14, and 15, and check your answers.

Suppose that the cost of a wedding was a function of the number of guests attending. If you knew the slope of the function and you also knew how much the wedding would cost if 150 guests attended, could you write a linear equation representing this situation? If so, what form of the equation would be easiest to use?

Source: cK-12, https://www.ck12.org/algebra/point-slope-form-of-linear-equations/lesson/Linear-Equations-in-Point-Slope-Form-BSC-ALG/
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