1) Write the expression in standard form.

7/ 3-15i

A. 7/78 - 35/78i

B. -7/78 - 35/78i


C. 7/78 + 35/78i

D. -7/78 + 35/78i

2) Find the product of the complex number and its conjugate.
1 + 3i

A. 1 + 9i

B. 10

C. -8

D. 1 - 9i