PC FINAL EXAM REVIEW #4 24-25

NON CALCULATOR Solve 2sin²x - sin x - 1 = 0 where 0 ≤ x < 360

• x=30, 150, 210, 330

• x = 90,270,45,225

• x = 60, 120, 240, 300

• x = 90, 210, 330

Tags

CCSS.HSF.TF.B.7

NONCALCULATOR: Solve -6sinx-3 = 9 where 0 ≤ x < 2π

• x= π/3, 2π/3, 4π/3, 5π/3

• x= π/6, 11π/6

• undefined

• x = π/4, 5π/4

Tags

CCSS.HSF.TF.B.7

NONCALCULATOR: Solve 3sec²x - 4 = 0 where 0 ≤ x < 360

• x=0, 60, 180, 300, 360

• x=30, 150, 270

• x=30, 150, 210, 330

• x=135, 315

Tags

CCSS.HSF.TF.B.7

CALCULATOR: Solve 4 sin x - 3 = 0 where 0 ≤ x < 2π

• x = .848

• x = , .848, 2.294

• x = .848, 3.990

• x = .848, 5.435

Tags

CCSS.HSF.TF.B.7

CALCULATOR: Solve 3 tan x - 2 = 7 tan x - 1 where 0 ≤ x < 2π

• x = .245, 2.734

• x = -.245, 6.038

• x = -.245

• x = 6.038, 2.897

Tags

CCSS.HSF.TF.B.7

What is the sum of the first ten terms of the sequence 4, -12, 36, -108 . . . ?

• 59,050
• -59,048
• -78,732
• 118,096

Tags

CCSS.HSA.SSE.B.4

What is the twelfth term in the sequence 3, -6, 12, . . . ?

• -2,048
• 6,144
• -6,144
• -531,441

Tags

CCSS.HSF.BF.A.2

In an arithmetic sequence if a₁₅  =108 and d=7, find a₁.

• 14
• 101
• 206
• 10

Tags

CCSS.HSF.BF.A.2

Find the length of Side BC.

• 33

• 24

• 12

• 29

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Use the Law of Cosines to find the value of x.  (Level 1)

• 41.7
• 51.7
• 61.7
• 71.7

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11