Find the focus and directrix of the parabola.y = 5x2
A. 
, x = - 
B. 
, y = - 
C. 
, y = 
D. 
, x = - 
Answer: B
Mathematics
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Find the slope of the line given the following graph.
A. m = 7
B. m = - 7
C. m = - 
D. m = 
Mathematics
Solve.
x = - 
A. - 
B. - 
C. - 
D. - 
Mathematics
Determine the quadratic function whose graph is given.
A. f(x) = -x2 - 4x - 5 B. f(x) = -x2 + 4x + 5 C. f(x) = -x2 - 4x + 5 D. f(x) = x2 - 4x + 5
Mathematics
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00
Mathematics