Tell whether the graphs of the pair of equations are parallel, perpendicular, or neither.
?
?
A. neither parallel nor perpendicular
B. perpendicular
C. parallel
Answer: A
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Find all the local maxima, local minima, and saddle points of the function.
A. f(-3, -8) = 213, local maximum B. f(3, 8) = -79, local minimum C. f(3, -8) = 177, saddle point D. f(-3, 8) = -43, saddle point
Estimate the value of the quantity.A hat is dropped from a hot air balloon. The hat falls faster and faster but its acceleration decreases over time due to air resistance. The acceleration is measured every second after the drop for 6 seconds. Find an upper estimate for the speed when 
A. 192 ft/sec B. 40.96 ft/sec C. 32.08 ft/sec D. 71.87 ft/sec
Translate the situation into mathematical language. You need not actually solve the problem.A piece of wire 124 in. long is to be cut into two pieces, and those pieces are each to be bent to make a square. The area of one square is to be 225 in.2 greater than that of the other. How should the wire be cut?
A. Let x be the length of one piece of wire; x
= 225
B. Let x be the length of one piece of wire; 
2 + 
2 = 225
C. Let x be the length of one piece of wire; 
2 - 
2 = 225
D. Let x be the length of one piece of wire; 
2 - 
2 = 225
Solve using both the addition and multiplication properties of equality.
y - 60 = -48
A. y = 1 B. y = 8 C. y = 72 D. y = -8