Precalculus 6th Edition Blitzer Test Bank Full clear download (no error formatting) at: https://testbanklive.com/download/precalculus-6th-edition-blitzer-test-bank/ Precalculus 6th Edition Blitzer Solutions Manual Full clear download (no error formatting) at: https://testbanklive.com/download/precalculus-6th-edition-blitzer-solutionsmanual/ Ch. 2 Polynomial and Rational Functions 2.1 Complex Numbers 1 Add and Subtract Complex Numbers MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Add or subtract as indicated and write the result in standard form. 1) (5 - 6i) + (9 + 9i) A) 14 + 3i B) 14 - 3i C) -4 + 15i
D) -14 - 3i
2) (9 + 5i) - (-8 + i) A) 17 + 4i
B) 17 - 4i
C) 1 + 6i
D) -17 - 4i
3) 8i + (-7 - i) A) -7 + 7i
B) -7 + 9i
C) 7 - 7i
D) 7 - 9i
4) 5i - (-5 - i) A) 5 + 6i
B) -5 - 6i
C) 5 - 4i
D) -5 + 4i
5) (-7 + 6i) - 9 A) -16 + 6i
B) 16 - 6i
C) 2 + 6i
D) 2 - 6i
6) -2 - (- 2 - 8i) - (- 2 - 6i) A) 2 + 14i
B) 2 - 14i
C) 4 - 14i
D) 4 + 14i
7) (4 - 3i) + (1 - 6i) + (4 + 5i) A) 9 - 4i
B) 7 + 8i
C) 1 - 14i
D) 5 - 9i
2 Multiply Complex Numbers MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Find the product and write the result in standard form. 1) -5i(3i - 9) A) 15 + 45i
B) -15 + 45i
C) 45i - 15i2
D) 45i + 15i2
B) -21 + 42i
C) 42i - 21i2
D) 42i + 21i2
B) 85 + 5i
C) 5 + 85i
D) -40i2 - 5i + 45
B) -21 + 39i
C) -39 - 51i
D) -21 - 51i
2) 7i(-3i + 6) A) 21 + 42i 3) (9 + 8i)(5 - 5i) A) 85 - 5i
Page 1
4) (-6 + 9i)(5 + i) A) -39 + 39i