Simplify the radical.
A. 22
B. 64
C. 8
D. not a real number
Answer: C
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Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex cube roots of -8i
A. 2(cos 180° + i sin 180°), 2(cos 300° + i sin 300°), 2(cos 60° + i sin 60°) B. 8(cos 90° + i sin 90°), 8(cos 210° + i sin 210°), 8(cos 330° + i sin 330°) C. 512(cos 90° + i sin 90°), 512(cos 210° + i sin 210°), 512(cos 330° + i sin 330°) D. 2(cos 90° + i sin 90°), 2(cos 210° + i sin 210°), 2(cos 330° + i sin 330°)
Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.ln 5x = 2
A. 1.492 B. 1.478 C. 7.389 D. 36.945
Solve the equation.
- 8 = 0
A. {8}
B. 
C. {64}
D. ?
Graph the parabola and label the vertex. Find the x-intercept.x = -y2 - 8
A. vertex (-8, 0), x-intercept (-8, 0)
B. vertex (8, 0), x-intercept (8, 0)
C. vertex (8, 0), x-intercept (8, 0)
D. vertex (-8, 0), x-intercept (-8, 0)