Simplify. Write your answer in the form a + bi, where a and b are real numbers.(12 + 9i) - (1 + 2i)
A. 11 + 7i
B. 13 + 11i
C. 13 - 7i
D. -13 - 11i
Answer: A
Mathematics
You might also like to view...
Use a graphing calculator to determine the x-intercepts.f(x) = x2 + 5x - 14
A. (-7, 0), (1, 0) B. (-7, 0), (2, 0) C. (7, 0), (-2, 0) D. (7, 0), (2, 0)
Mathematics
Find the eccentricity of the conic section shown in the graph.
A. e = 1
B. e = 
C. e = 4
D. e = 
Mathematics
Answer the question.How many automobile license plates can be made involving 3 letters followed by either 3 or 4 digits?
A. 193,336,000 B. 193,376,000 C. 193,436,000 D. 193,316,000
Mathematics
Compute the product.
A.
B. 
C. 
D. not defined
Mathematics