Add or subtract as indicated. Write your answer in the form a + bi.(4 + 8i) - (-5 + i)

A. 9 + 7i
B. -1 + 9i
C. 9 - 7i
D. -9 - 7i


Answer: A

Mathematics

You might also like to view...

Solve the problem.102 × 10-5

A. 10-10 B. 10-7 C. 10-3 D. 107

Mathematics

Find the GPA for the grade report. Round to the nearest hundredth when necessary.

A. 2.29 B. 3.44 C. 11.50 D. 3.83

Mathematics

Write the word phrase as an algebraic expression. Use x to represent the unknown number.The quotient of 52 and the product of a number and -6

A.
B. -312x
C.
D.   - 6

Mathematics

Write the percent as a fraction in lowest terms.88%

A.  
B.  
C.
D.  

Mathematics