Write the rational expression in lowest terms.
A.
B.
C.
D.
Answer: A
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Find the center, foci, and asymptotes of the hyperbola. -
= 1
A. C: (2, 2); F: (2, -1), (2, 5); A: y = x -
, y = -
x -
B. C: (2, 2); F: (-3, 2), (7, 2); A: y = x +
, y = -
x +
C. C: (2, 2); F: (2, -3), (2, 7); A: y = x -
, y = -
x -
D. C: (2, 2); F: (-1, 2), (5, 2); A: y = x -
, y = -
x -
Write the linear system corresponding to the reduced augmented matrix.
A. x1 = -4, x2 = t + 6, x3 = t for any real number t B. No Solution C. x1 = 4, x2 = -t + 6, x3 = t for any real number t D. x1 = 4, x2 = t + 6, x3 = 0
Solve the problem.When the temperature stays the same, the volume of a gas is inversely proportional to the pressure of the gas. If a balloon is filled with 246 cubic inches of a gas at a pressure of 14 pounds per square inch, find the new pressure of the gas if the volume is decreased to 41 cubic inches.
A. pounds per square inch
B. 78 pounds per square inch
C. 84 pounds per square inch
D. 70 pounds per square inch
Evaluate the expression for the given replacement values.6x - 5y for x = 8 and y = 2
A. 58 B. 38 C. 46 D. 43