Find the equation of the axis of symmetry of the parabola.f(x) = (x - 5)2 - 5
A. x = -5
B. y = 0
C. y = -5
D. x = 5
Answer: D
Mathematics
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Factor any difference of two squares, or state that the polynomial is prime. Assume any variable exponents represent whole numbers.81 - 4y2
A. (9 - 2y)2 B. (9 + 2y)(9 - 2y) C. (9 + 2y)2 D. prime
Mathematics
Write the complex number in polar form.1 + 3j
A. 
(cos 71.62° + j sin 71.62°)
B. (cos 71.62° + j sin 71.62°)
C. 4(cos 71.62° + j sin 71.62°)
D. 
(cos 71.62° + j sin 71.62°)
Mathematics
Perform the indicated operation and write the answer in lowest terms. - 
+ 
A. - 
B. 
C. 
D. - 
Mathematics
Perform the indicated operation. Write the answer in the form a + bi.
A. 
B. 
+ 
i
C. - 
- 
i
D. - 
i
Mathematics