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19 March, 13:22

y - 5 = 0.5x2 + 6x - 3 How many x-intercepts does the graph of this quadratic have? Two x-intercepts One x-intercept No x-intercepts

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  1. 19 March, 13:26
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    Step-by-step explanation:

    The given equation is y - 5 = 0.5x² + 6x - 3

    We have to find the number of x - intercepts the graph of this equation will make.

    For x-intercepts we will put y = 0

    so 0 - 5 = 0.5x² + 6x - 3

    0.5x² + 6x - 3 + 5 = 0

    0.5x² + 6x + 2 = 0

    x² + 12x + 4 = 0

    We know if a quadratic equation is ax² + bx + c = 0

    and b² - 4ac > 0 there will be two real roots.

    In this equation b = 12, C = 4 and a = 1 (12) ² - 4 * 4 = 144 - 16

    = 128 > 0

    Therefore, there will be two intercepts of x
  2. 19 March, 13:43
    0
    Here, if you have any questions feel free to ask
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