Solve for x and y: 2x + y = 4; x - 2y = 2
a. x = 2 y = 0
b. x = 0 y = -2
c. x = 0 y = 2
d. x = -2 y = 0
e. x = 2 y = 2
a. x = 2 y = 0
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Complete.560 cm = 
m
A. 56,000 B. 5600 C. 56 D. 5.6
Simplify.
? 
A. 
B. 
C. 
D. 12
Solve the problem.The resistance of a wire varies directly as the length of the wire and inversely as the square of the diameter of the wire. A 20 foot length of wire with a diameter of 
has a resistance of 
What would the resistance be for a 
length, with diameter 
of the same kind of wire ?
A. 16.95 ohms B. -2.05 ohms C. 2.45 ohms D. 4.95 ohms
Solve the equation f(x) = 0 analytically and then use the graph of y = f(x) to solve the inequalities f(x) < 0 and 
f(x) = (3)3x - 27x - 3
A. ?; ?; (-?, ?) B. ?; (-?, ?); ? C. {3}; [3, ?); (-?, 3) D. {3}; (-?, 3); [3, ?)