Unit 1 - 4, Final Exam Practice (College Algebra)

Answer explanation

If you got this wrong go to Unit 1.3

• [-2, 3]
• [1, 4]
• [0, 2]
• [-2, 5/3]

Answer explanation

If you got it wrong go to unit 1.7...

• x = ±i√2, x = ±i√3
• x = ±i√2, x = ±√3
• x = ±i√3, x = ±√2
• x = ±√3, x = ±√2

Answer explanation

If you got this wrong, go to unit 1.4

Answer explanation

If you got this wrong, go to unit 1.4

Perform the indicated operations. ( 6-4i )( 9+i )

• 45 - 30i
• 54 - 30i
• 42 - 30i
• 58 - 30i

Answer explanation

If you got this wrong, go to Unit 1.3

• v = 6, v = 3
• v = 7, v = 2
• v = 4, v = 2
• v = 5, v = 1

Answer explanation

If you got this wrong, go to Unit 1.4

• (-∞, -2) U (7, 0)
• (-∞, -2) U (7, 14)
• (-∞, -2) U (7, ∞)
• (-∞, -2) U (7, ∞)

Answer explanation

If you got this wrong, go to Unit 1.7

• x = 6 , 5/9

• x = 6
• x = 3 , 6/9

• x = 9 , 6/5

Answer explanation

If you got this wrong, go to Unit 1.6

• [-2, 2]
• [10, 14]
• [5, 9]
• [0, 4]

Answer explanation

If you got this wrong, go to Unit 1.7

• (-4 , 5)

• (-5 , 4)

• (-6 , 3)

• (-3 , 6)

Answer explanation

If you got this wrong, go to unit 1.8