Solve by completing the square.x2 + 4x = 3
A. -1 ± 
B. -2 ± 
C. 2 + 
D. -2 ± 2
Answer: B
Mathematics
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Find the intervals on which the function is continuous.y = 
A. continuous on the intervals (-?, -
] and [
, ?)
B. continuous everywhere
C. continuous on the interval [
, ?)
D. continuous on the interval [-
, 
]
Mathematics
Convert to rectangular coordinates.
A. 
B. 
C. 
D. 
Mathematics
Find the outside surface area, when ?a = ?2, b = 6, c = 2.
?
?
?
A. 60 m 2 B. 44 m 2 C. 48 m 2 D. 56 m 2 E. 12 m 2
Mathematics
Use the equality test for fractions to determine if the fractions are equal.
A. Yes B. No
Mathematics