Solve the equation by completing the square.x2 + 4x = 3
A. {-1 ± 
}
B. {-2 ± 
}
C. {-2 ± 2
}
D. {2 + 
}
Answer: B
Mathematics
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Evaluate the expression for the values given.x2 + 3x - 6 when x = -3
A. 6 B. -6 C. 12 D. 24
Mathematics
Solve the equation for x, where x is restricted to the given interval.y = 3 tan 2x - 1, for x in 
A. x = 
arctan (3y + 3)
B. x = 2 arctan 
C. x = 2 arctan (3y + 3)
D. x = 
arctan 
Mathematics
Add.
A. 108,215 B. 67,330 C. 67,130 D. 66,130
Mathematics
Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. 2 sec B. -2 sec C. 5 sec D. 160 sec
Mathematics