oxideko
contestada

99 Points + Brainliest answer to first person.
Which is the focus of a parabola with equation y^2 = 4x?
A). (–1, 0)
B). (0, –1)
C). (0, 1)
D). (1, 0)

Respuesta :

sqdancefan

Answer:

  D).  (1, 0)

Step-by-step explanation:

The parabola opens to the right, so the focus will be to the right of the vertex at (0, 0). The only answer choice with a positive x-value is D.

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The equation of a parabola with vertex (0, 0) can be written as

  y^2 = 4px

where p is the distance from the vertex to the focus. Here, that distance is 1.

Answer:

D). (1, 0)  this is the only positive answer

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