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°

Question

asked Aug 20, 2021 197k views

1 Answer

Mustafa Simav · Answer 1 · 2021-08-26T14:20:08+0000

Answer:

d. parabola, 0°

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 = 2лπ ± (3 + √10) , л∈Z

Angle of rotation