emejiaromero2028 emejiaromero2028

12-02-2021
Mathematics

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write an equation of the line that passes through (2,-4) and (0,4)

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greenforestaz greenforestaz

14-02-2021

Answer:

step 1. y - y1 = m(x - x1). this is the equation given a point and a slope.

step 2. find the slope m. m = (y2 - y1)/(x2 - x1) = (4 - (-4))/(0 - 2) = 8/-2 = -4.

step 3. y - (-4) = -4(x - 2) ; y + 4 = -4x + 8.

step 4. y = -4x + 4.

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