Find all cube roots of the complex number. Leave answers in trigonometric form.4 - 4i
A. 
cis 100°, 
cis 220°, 
cis 340°
B. 
cis 60°, 
cis 180°, 
cis 300°
C. 
cis 80°, 
cis 200°, 
cis 320°
D. 
cis 100°, 
cis 220°, 
cis 340°
Answer: D
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Plot the curve of the given polar equation in polar coordinates.r = 
A. 
B. 
C. 
D. 
First, use front end rounding to estimate each answer. Then find the exact answer.The fully loaded car cost $2357 more than the basic model. If the basic model cost $18,433, what did the fully loaded car cost?
A. estimate: $18,400 + $2300 = $20,700; exact: $20,790 B. estimate: $18,000 + $2000 = $20,000; exact: $20,790 C. estimate: $18,000 + $2300 = $20,300; exact: $20,790 D. estimate: $20,000 + $2000 = $22,000; exact: $20,790
Find the center and radius of the circle with the given equation. x2 + 8x + 16 + y2 - 12y + 36 = 4
A. Center (-6, 4), r = 4 B. Center (-4, 6), r = 2 C. Center (4, -6), r = 4 D. Center (6, -4), r = 2
Factor by grouping.15x2 - 6x - 25x + 10
A. (3x + 5)(5x + 2) B. (15x + 5)(x + 2) C. (3x - 5)(5x - 2) D. (15x - 5)(x - 2)