Solve the problem.True or false, a system of linear equations containing more equations than variables is always inconsistent.
A. True
B. False
Answer: B
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Determine whether the statement makes sense. If the statement is possible then it makes sense. If it is clearly impossible, it does not make sense. Last year my heart beat 4 × 107 times.
A. Yes B. No
Solve the problem.Find a field G = P(x, y)i + Q(x, y)j in the xy-plane with the property that at any point (a, b) ? (0, 0), G is a vector of magnitude 
tangent to the circle x2 + y2 = a2 + b2 and pointing in the clockwise direction.
A. -yi + xj B. xi - yj C. xi + yj D. yi - xj
Find the center, foci, and asymptotes of the hyperbola.x2 - 
= 1
A. C: (0, 0); F: (4, 0), (-4, 0); A: y = 
x, y = - 
x
B. C: (0, 0); F: (
, 0), (-
, 0); A: y = 4x, y = -4x
C. C: (0, 0); F: (
, 0), (-
, 0); A: y = 
x, y = - 
x
D. C: (4, 0); F: (
, 0), (-
, 0); A: y = 
x, y = - 
x
Solve the polynomial inequality and graph the solution set on a number line.x2 - 4x + 4 < 0
A. (-?, 2)
B. (2, ?)
C. ?
D. (-?, ?)