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Big Ideas Math: Modeling Real Life, Grade 8 View details

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Exercise 46 Page 191

Everything necessary to use point-slope form has been given in the problem.

y-4=3(x-4)

Practice makes perfect

An equation in point-slope form follows a specific format. y- y_1= m(x- x_1) In this format, m represents the slope and the point ( x_1, y_1) lies on the graph of the line. We are given the point ( 4, 4) and the slope 3, so we have everything we need to create a point-slope form equation. y-y_1=m(x-x_1) ⇓ y- 4= 3(x- 4)