Solve by completing the square.x2 - 12x - 5 = 0
A. 12 ± 
B. 6 ± 
C. 6 ± 
D. -6 ± 
Answer: B
Mathematics
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Find the standard form of the equation of the circle.Radius r = 11 and center (h, k) = (-5, -7)
A. (x + 5)2 + (y + 7)2 = 121 B. (x + 5)2 + (y + 7)2 = 11 C. (x - 5)2 + (y - 7)2 = 11 D. (x - 5)2 + (y - 7)2 = 121
Mathematics
Use conversion factors to convert the units of measure.432 ounces to pounds
A. 108 lb. B. 43 lb. C. 28 lb. D. 27 lb.
Mathematics
Multiply.-8(-9)
A. -64 B. -72 C. 62 D. 72
Mathematics
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.3 x + 7 = 4
A. -0.72 B. 7.79 C. -5.74 D. 1.64
Mathematics