Factor completely.6x2 - 18xy - 24y2
A. (6x - 6y)(x + 4y)
B. Prime
C. 6(x + y)(x - 4y)
D. 6(x - y)(x + 4y)
Answer: C
Mathematics
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Provide an appropriate response.Find the direction in which the function is increasing most rapidly at the point P0.f(x, y) = xy2 - yx2, P0(-1, -1)
A. 
i - 
j
B. 
i + 
j
C. 
i + 
j
D. 
i - 
j
Mathematics
The hydrogen ion concentration of a solution is 0.007 mol/L [H+]. What is the pH of this solution?
A. 0.007 B. 11.8 C. 2.2 D. 1.02
Mathematics
Find the root.
A. Not a real number
B. 1
C. 5
D. 
Mathematics
In the circuit below, Vin = 20 V, R = 12 Kê, and C = 0.003 æF. Find fCO.
a. 2.8 KHz
b. 4.4 KHz
c. 8.3 KHz
d. 14 KHz
e. 84 KHz
Mathematics