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

User Lnu
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1 Answer

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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!
User Poojathorat
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