cnmckee4367 cnmckee4367
  • 07-11-2018
  • Mathematics
contestada

What would she have gotten for the equation of the linear function if she had used the ordered pairs (2, 5) and (4, 1) instead?

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tramserran
tramserran tramserran
  • 07-11-2018

Answer: y = 2x + 9

Step-by-step explanation:

slope(m) = [tex]\frac{y_{2}-y_{1}} {x_{2}-x_{1}}[/tex] = [tex]\frac{1-5} {4-2}[/tex] =  [tex]\frac{-4}{2}[/tex] = -2

Point-Slope formula: y - y₁ = m(x - x₁)

y - 5 = -2(x - 2)

y - 5 = -2x + 4

y       = 2x + 9

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