Write the complex number in polar form. Express the argument in radians.2 - 2i
A. 2
B. 2
C. 2
D. 2
Answer: D
Mathematics
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Write the equation of the circle in standard form. Find the center and radius. Then sketch the graph.x2 + y2 - 8x + 2y + 8 = 0
A. (x - 4)2 + (y - 1)2 = 9
(h, k) = (4, 1), r = 3
B. (x - 4)2 + (y + 1)2 = 9
(h, k) = (4, -1), r = 3
C. (x + 4)2 + (y + 1)2 = 9
(h, k) = (-4, -1), r = 3
D. (x + 4)2 + (y - 1)2 = 9
(h, k) = (-4, 1), r = 3
Mathematics
Write the expression in the standard form a + bi.
A. 
+ 
i
B. - 
+ 
i
C. - 
+ 
i
D. 
+ 
i
Mathematics
Graph the solution of the system of linear inequalities.
A. 
B. 
C. 
D. 
Mathematics
Find the degree and leading coefficient of the polynomial.5x4 + 5x3 - 2x2 + 9
A. Degree: 5; leading coefficient: -2 B. Degree: 4; leading coefficient: 5 C. Degree: 3; leading coefficient: 5 D. Degree: 10; leading coefficient: 5
Mathematics