Algebra 2A

Which expression represents the number 5i4+2i3+8i2+−4−−−√ rewritten in a+bi form?

-3+0i

Which expression is equivalent to (7+4i)+(8+i)?

15+5i

Which expression represents the number 3+−4−−−√ rewritten in a+bi form?

3+2i

Examine the complex number 3+2i. A: What is the real part of the complex number? B: What is the imaginary part of the complex number? Select one answer for part A, and select one answer for part B.

A=3 B=2

What are the steps to find (5+3i)−(2+7i)? Match each step with the correct expression for finding the difference of the complex numbers.

Step 1 5+3i−2−7i Step 2 (5−2)+(3i−7i) Step 3 3−4i