Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(7 + 2i)2
A. 53 + 28i
B. 45 - 28i
C. 53 - 28i
D. 45 + 28i
Answer: D
Mathematics
You might also like to view...
Find the length of the curve.y = 
(x4/3 - 2x2/3) from x = 1 to x = 64
A. 275
B. 
C. 
D. 
Mathematics
Solve the equation by completing the square.16x2 + 1 = 5x
A. 
B. 
C. 
D. 
Mathematics
Graph the solution set of the inequality and write it in interval notation.{x|-1 ? x ? -5}
A. [-5, -1)
B. (-5, -1]
C. (-5, -1)
D. [-5, -1]
Mathematics
Graph y = f (x). Be sure to include any vertical asymptote as a dashed line.f(x) = 
A. 
B. 
C. 
D. 
Mathematics