Solve the quadratic equation using the most efficient technique (factoring, extracting square roots, completing the square, or the quadratic formula).
x2 + 
x + 
= 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Evaluate the improper integral.
A. 
B. 
C. 
D. 
Mathematics
Solve.The outside of a water storage tank is in the shape of a sphere. Approximate to the nearest hundredth the volume of the tank with a radius of 15.3 feet. Use 3.14 for ?.
A. 735.04 cu ft B. 14,994.87 cu ft C. 980.06 cu ft D. 11,246.15 cu ft
Mathematics
Add or subtract, as indicated, and simplify the result.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.r2 = 0
A. 0 B. -1 C. 2 D. 1
Mathematics