The rectangular coordinates of a point are given. Express the point in polar coordinates with 
and 
(4, -4)
A. (4
, 45°)
B. (4
, 225°)
C. (4
, 315°)
D. (4
, 135°)
Answer: C
Mathematics
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The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what time was the temperature its lowest?
A. 1 p.m. B. 4 p.m. C. 6 p.m. D. 9 a.m.
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Multiply. Assume that no radicands were formed by raising negative numbers to even powers.
(
+ 
)
A. 5 + 
B. 
+ 
C. 
+ 
D. 15
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Find the product.(6y - 5)(36y2 + 30y + 25)
A. 216y3 - 125 B. 216y3 + 150y2 - 125 C. 36y3 + 125 D. 216y3 + 125
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Factor. Check by multiplying.5x - 20y
A. 5(x - 4y) B. 5(x - 20y) C. 4(5x - 5y) D. 5(x - y)
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