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Which statement describes the effect on the parabola with an equation of y = x2 – 2x when it is changed to y = x2 + 2x?
A. The parabola is shifted to the left 2 units.
B. The parabola is shifted to the right 2 units.
OC. The parabola is shifted to the left 4 units.
OD. The parabola is shifted to the right 4 units.

Respuesta :

Answer:

A. The parabola is shifted to the left 2 units.

Step-by-step explanation:

Refer to the graph below where the red parabola is y=x²-2x and the blue parabola is y=x²+2x, showing a horizontal shift of two units to the left.

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