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3 November, 06:08

What is the vertex of y=x^2-7

Answers (1)
  1. 3 November, 06:17

    Step-by-step explanation:

    The graph y=x^2 - 7 is a parabola, and all parabolas can be written in the form y = ax^2 + bx + c.

    The expression - b / (2a) gives the vertex's x coordinate, and the y coordinate can be found by plugging in x.

    For your equation, - b / (2a) = - 0 / 2 = 0, so the x coordinate is 0.

    At x=0, y = - 7

    Check if the answer makes sense:

    Since there is no horizontal (left or right) translation, and only vertical (up down) translation, the x coordinate of the vertex should be 0.
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