Solve the equation by completing the square.x2 + 5x - 5 = 0
A. -5 + 3
, -5 - 3
B. 
, 
C. 
D. No real solution
Answer: B
Mathematics
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Solve the problem.A swimming pool 3 meters deep, 14 meters long, and 7 meters wide is filled with water. What is the area of the water's surface?
A. 98 m2 B. 21 m2 C. 42 m2 D. 294 m3
Mathematics
Find the values of x for which the expression is a real number.
A. 
B. 
C. 
D. 
Mathematics
Factor completely, or state that the polynomial is prime.x2y - 9y + 45 - 5x2
A. (y - 5)(x2 + 9) B. (y + 5)(x + 3)(x - 3) C. prime D. (y - 5)(x + 3)(x - 3)
Mathematics
Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers.
+ 6
+ 7
A. 13
B. 13
C. 63
D. 63
Mathematics