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WILL MARK BRAINLIEST

What is the rate of change of the linear function that has a graph that passes through the points (1, 15) and (–2, 3)?

Only 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, . , -, and / are allowed in your answer. Answers that are mixed numbers must be entered as an improper fraction or decimal.

Respuesta :

mahanth1112

Answer:

4

Step-by-step explanation:

Rate of change is just slope, based on what I know.

Given 2 points : (x1, y1) and (x2, y2)... The slope would be [tex]\frac{y_{2}-y_{1} }{x_2-x_{1}}[/tex].

So for this problem we need to find the slope:

  1. (1,15) and (-2,3) are the points. To find slope we do [tex]\frac{3-15}{-2-1}[/tex].
  2. This simplifies into [tex]\frac{-12}{-3}[/tex].
  3. This then simplifies into 4.

The rate of change is 4 based on my work.

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