Find the focus and directrix of the parabola.y2 - 20x = 0
A. F: (5, 0); D: y = -5
B. F: (5, 0); D: x = -5
C. F: (0, 5); D: y = -5
D. F: (5, 0); D: x = 5
Answer: B
Mathematics
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Divide.2.25 ÷ (-3)
A. -0.75 B. -17.5 C. -7.5 D. -1.75
Mathematics
Find the LCD for the given rational expressions.
, 
A. (x - 3)(x - 1) B. (x + 3)(x + 1)(x - 2) C. (x - 1)(x - 2) D. (x - 3)(x - 1)(x - 2)
Mathematics
Simplify.(2 - 3
)2
A. 4 + 9
B. 49 - 12
C. 49 + 12
D. 4 - 9
Mathematics
Perform the indicated operation for the given f(x) and g(x).
, 
Find 
A. 0 B. 10 C. 4 D. 45
Mathematics