Simplify the radical.
A. 12
B. -4
C. -12
D. 4
Answer: B
You might also like to view...
Solve the equation by completing the square.x2 - 4x - 7 = 0
A. {-2 - 
, -2 + 
}
B. {4 - 
, 4 + 
}
C. {2 - 
, 2 + 
}
D. {2 - 
, 2 + 
}
Determine whether the equation is linear. If it is linear, give values for a and b so that the equation can be written in the form ax + b = 0.45.4x = 4.1
A. Yes; a = -4.1, b = 45.4 B. Yes; a = 45.4, b = 4.1 C. No D. Yes; a = 45.4, b = -4.1
Solve the problem.A boat heads upstream a distance of 30 miles on the Mississippi river, whose current is running at 5 miles per hour. If the trip back takes an hour less, what was the speed of the boat in still water? Give the answer rounded to two decimal places, if necessary.
A. 18.03 mph B. 6 mph C. 15 mph D. 16.58 mph
Determine if the sequence is arithmetic. If the sequence is arithmetic, find the common difference.7, 11, 15, 19, . . .
A. yes, 12 B. yes, 4 C. no D. yes, -4