Find all cube roots of the complex number. Leave answers in trigonometric form.125
A. 5 cis 90°, 5 cis 210°, 5 cis 330°
B. 5 cis 0°, 5 cis 60°, 5 cis 120°
C. 5 cis 45°, 5 cis 165°, 5 cis 325°
D. 5 cis 0°, 5 cis 120°, 5 cis 240°
Answer: D
Mathematics
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A. [-4, ?) B. [4, ?) C. (-4, 4) D. [0, ?)
Mathematics
Use a grapher to find the vertex or x-intercepts, as indicated, of the quadratic function.Find the x-intercepts of the function f(x) = -14.6x2 - 2.51x + 2.39. Round to two decimal places if needed.
A. (-0.50, 0), (0.33, 0) B. (-0.33, 0), (0.50, 0) C. (1.87, 0), (-0.54, 0) D. (-1.87, 0), (0.54, 0)
Mathematics
Solve and check your solutions.
= 5
A. x = 7 B. x = 2 C. x = 6 D. x = 10
Mathematics
Determine if the statement is a rational equation.
= 
A. Yes B. No
Mathematics