Express the indicated roots of unity in standard form a + bi.Fourth roots of unity
A. 1 + 0i
cos 
+ i sin 
= 
+ 
i
cos 
+ i sin 
= 0 + i
cos 
+ i sin 
= - 
+ 
i
B. 1 + 0i
cos 
+ i sin 
= 0 + i
cos ? + i sin ? = -1 + 0i
cos 
+ i sin 
= 0 - i
C. 1 + 0i
cos 
+ i sin 
= 
+ 
i
1 - i
0 - i
D. 1 + 0i
cos 
+ i sin 
= 0 + i
cos ? + i sin ? = -1 + 0i
1 - i
Answer: B
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, (a) Determine the intercepts.(b)Determine whether the graph is symmetric about the x-axis, the y-axis, the origin, or the line y = x.(c)Sketch the graph. (d) Based on your graph, is y a function of x? If so, state (e) the domain and (f) the range.
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Simplify.-5(2x - 8) - 4x + 6
A. -14x + 46 B. 14x + 46 C. -14x - 34 D. 6x + 46
Write the phrase as an algebraic expression. Let x represent the unknown number.The quotient of 17 and a number
A. 17x
B. 
C. x - 17
D. 