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15 October, 00:46

Identify the graph of the equation. What is the angle of rotation for the equation?

y2 + 8x - 0

a hyperbola, 30°

b. parabola; 90°

c. hyperbola; 180°

d. parabola, 0°

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  1. 15 October, 02:04
    0
    d. parabola, 0°

    Step-by-step explanation:

    y² + 8x - 0

    y² = - 8x

    Where x = cos t, y = sin t

    Sin² t = - 8 Cos t

    1 - Cos² t = - 8 Cos t

    - Cos² t + 8 Cos t + 1 = 0

    t = 2 лπ ± (3 + √10), л∈Z

    Angle of rotation
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