20-06-2017
Mathematics

contestada

Write an equation in slope-intercept form of the line through points S(–1, –4) and T(3, 4).

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JohnLayton JohnLayton

20-06-2017

Through the slope equation, we know that the slope, or m, is 2.
This gets us to y = 2x + b.
Next we plug in a point and get 4 = 2(3) + b, or b + 6 = 4, or b = -2.
This gives us our answer: y = 2x - 2.

Hope this helps!

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