1. Equations & Inequalities

Decide whether each statement is true or false. If false, correct the right side of the equation. √-25 = 5i

Decide whether each statement is true or false. If false, correct the right side of the equation. i^12 = 1

Decide whether each statement is true or false. If false, correct the right side of the equation. (-2+7i) - (10-6i)= -12+i

In Exercises 9–20, find each product and write the result in standard form.(7 - 5i)(- 2 - 3i)

In Exercises 9–20, find each product and write the result in standard form.(3 + 5i)(3 - 5i)

In Exercises 9–20, find each product and write the result in standard form.(- 5 + i)(- 5 - i)

Identify each number as real, complex, pure imaginary, or nonreal com-plex. (More than one of these descriptions will apply.) √24

Identify each number as real, complex, pure imaginary, or nonreal com-plex. (More than one of these descriptions will apply.) √-36

Write each number as the product of a real number and i. √-25

Perform each operation. Write answers in standard form. 15i- (3+2i) -11

In Exercises 21–28, divide and express the result in standard form.2i/(1 + i)

Perform each operation. Write answers in standard form. (-8+2i)(-1+i)

In Exercises 21–28, divide and express the result in standard form.5i/(2 - i)

Perform each operation. Write answers in standard form. (5-11i)(5+11i)

In Exercises 21–28, divide and express the result in standard form.8i/(4 - 3i)