Factor.49x2 - 28x + 4
A. (7x - 2)2
B. Prime
C. (7x + 2)2
D. (7x - 2)(7x + 2)
Answer: A
Mathematics
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Show that the equation is not an identity by finding a value of x for which both sides are defined but not equal.cos (x - ?) = cos x
A. 
B. 
C. - 
D. 0
Mathematics
Determine the given complex number raised to a power and write the answer in rectangular form.
3
A. -500
+ 500
i
B. 5
+ 5
i
C. 50
+ 50
i
D. 15
+ 15
i
Mathematics
Supply the missing numbers. Round any decimal to the nearest thousandth and percent to the nearest tenth of a percent if necessary.fractiondecimalpercent2
A. 2.62; 2620% B. 2.5; 250% C. 2.62; 262% D. 2.5; 25%
Mathematics
The rectangular coordinates of a point are given. Find polar coordinates of the point. Express ? in radians.(5
, 5)
A. 
B. 
C. 
D. 
Mathematics