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The point (-3,4) is on a circle with its center at the origin. Which of the following points must also be on the circle?

  • math -

    Well, the origin must mean that the coordinates are (0,0), so (-3,4) and (0,-4) are also points on the the circle.

  • math -

    None of your "following points" are showing up

    Point with integer values on the circle are

    (5,0), (-5,0), (0, 5) , (0, -5)
    (3,4) ,(-3,4) , (3, -4), and (-3,-4)

    Jodie's point of (0,-4) does not lie on the circle

    the equation would be
    x^2 + y^2 = 25
    so sub in your given points to see if they satisfy that equation.
    If they do, they lie on the circle.

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