azuldecorazon35
azuldecorazon35 azuldecorazon35
  • 17-12-2019
  • Mathematics
contestada

A tennis ball bounces based on this equation y = x2 - x+2. A dog jumps based on this equation y=2x.
When will the dog receive the ball?

Respuesta :

bayosanuade
bayosanuade bayosanuade
  • 17-12-2019

Answer: when the equations are equal, that is when  x = 1 or x = 2

Step-by-step explanation:

The dog will receive the ball , when both equations intercept , that is , when both equations are equal. This implies :

[tex]x^{2}[/tex] - x + 2 = 2x

[tex]x^{2}[/tex] - x - 2x + 2 = 0

x(x-1) - 2 (x - 1 ) = 0

(x - 1 ) ( x - 2 ) =0

Therefore , x = 1 or x = 2

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