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  • 20-11-2020
  • Mathematics
contestada

Write the equation of the line that passes through the given points. (-2,2.5) and (0,-4.5)

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Аноним Аноним
  • 20-11-2020

Answer: y = -3.5x - 4.5

suppose: the equation of the line is y = ax + b ( a ≠ 0 )

because the line passes through (-2;2.5) => 2.5 = -2a + b

the line passes though (0;-4.5) => -4.5 = b

=> b = -4.5

   2.5 = -2a + b

=> a = -3.5

    b = -4.5

=> the equation of the line is y = -3.5x - 4.5

Step-by-step explanation:

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harvey77
harvey77 harvey77
  • 20-11-2020
The equation Of the line is y =-3.5x-4.5
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