Provide an appropriate response.
Solve the following quadratic equation using any method: x2 - 8x + 16 = 0
A. x = 4, -4
B. x = 9.66, -1.66
C. x = 4, 4
D. x = -4, -4
Answer: C
Mathematics
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Find the length and direction (when defined) of u × v.u = - 
i + 
j + k, v = i + j + 2k
A. 2
; - 
i + 
j - 
k
B. 8; 
i - 
j - 
k
C. 2
; 
i + 
j - 
k
D. 8; 
i - 
j + 
k
Mathematics
Determine which numbers in the set are natural numbers.
-12, 8, 4, 
, 0, -4, 
A. 8, 4, 
, 0, 
B. 8, 4, 0
C. 8, 4, 
D. 8, 4
E. -12, 8, 4, 0, -4
Mathematics
The function 
satisfies the equation of change 
. For what values of f is the graph of f versusx increasing?
?
A. 
B. 
C. 
D. 
Mathematics
Find the area of the shaded region.
A. 
B. 
C. 
D. 
Mathematics