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What is the slope of the line through (-1,-7)(−1,−7)left parenthesis, minus, 1, comma, minus, 7, right parenthesis and (3,9)(3,9)left parenthesis, 3, comma, 9, right parenthesis?

please help

Respuesta :

Answer:Point-slope equation of line is given ... comma, minus, 8, right parenthesis and (9,8)(9,8)left parenthesis, 9, ... m=\frac{8+8}{1} ... squaredy=(x−3)7(x+1)2 at the point left parenthesis 4 comma 25 right parenthesis(4,25).

Step-by-step explanation:

fichoh

The slope of the line through the points (-1, - 7) and (3, 9 is the ratio of the rise to the run. Hence, the slope of the line ls 4

  • Slope = Rise / Run

Run = x2 - x1 = (3 - (-1)) = (3 + 1) = 4

Rise = y2 - y1 = (9 - (-7)) = 16

Hence,

  • Slope = Rise / Run = 16/4 = 4

Therefore, the slope of the line through the points is 4.

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