Pre-Calculus 2nd 9-Weeks Exam

Find AC

• 12
• 10
• 23
• 14

Find the area of ABC to the nearest tenth, if necessary. 

• 72.4cm²
• 71.5cm²
• 82.1cm²
• 79.4cm²

Solve each triangle, round to the nearest tenth.

• A= 32,a= 11.2 b= 19.8
• A= 40 a= 11.2 b= 19.8
• A = 32 a= 12.2 b= 19.8
• A = 20 a= 11.3 b= 20.0

Joey must find the distance from Point A to Point B on opposite sides of a lake. He locates Point C that is 860 feet from point A and 175 feet from Point B. He measures the angle at Point C to be 78 degrees. Find the distance from point A to point B.

• 707643.58

• 841.22

• 877.62

• 845.01

Find the measure of ∠A

• 18
• 28
• 25
• 24

The period of a sine or cosine graph can be found by ....

• It's always 2π
• 2π/B
• B(2π)
• 2π+B

Which value represents a vertical shift in the following function y=a*sin(bx - c)+d?

• a
• b
• c
• d

What is the midline for
y=2cos(1/3x +π/6) +2

• 1/3
• -2
• +2
• 4

What is the period of the equation shown?

• 3π

• 2π

• 3π / 2

• 2π / 3

What is the measure of angle A?

• 50 degrees
• 60 degrees
• 78 degrees
• 74 degrees