Find the focus and directrix of the parabola.x = 3y2
A. F: 
; D: x = - 
B. F: 
; D: x = - 
C. F: 
; D: x = 
D. F: 
; D: y = - 
Answer: B
Mathematics
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Solve the problem.Suppose the tip of the minute hand of a clock is 6 inches from the center of the clock. Determine the distance traveled by the tip of the minute hand in 30 minutes. Give an exact answer.
A. 36? in. B. 12? in. C. 6? in. D. 3? in.
Mathematics
Factor.(9x + y)2 - 25
A. (9x + y + 5)2 B. (9x + y + 5)(9x + y - 5) C. (9x + y - 5)2 D. prime
Mathematics
Find the equation of the tangent line to the curve when x has the given value.f(x) = 
; x = 2
A. y = - 
x + 
B. y = - 
x + 
C. y = 
x + 
D. y = - 
x + 
Mathematics
Write the ratio of length to width of a standard brick as a decimal.
Fill in the blank(s) with the appropriate word(s).
Mathematics