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11-09-2018
Mathematics

contestada

Find the y-intercept for the graph of the quadratic function. y + 4 = (x + 2)2

Respuesta :

14-09-2018

y-intercept is equal the value of function for x = 0.

Put x = 0 to the equation y + 4 = (x + 2)²

y + 4 = (0 + 2)²

y + 4 = 2²

y + 4 = 4 |-4

y = 0

Answer: y-intercept = 0 → (0, 0)

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