Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Answer: A
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Fill in the blank with one of the words or phrases listed below.
A fraction is in 
when the numerator and the denominator have no factors in common other than 1.
A. prime factorization B. simplest form C. equivalent D. 0
Solve the system of equations by graphing.2x - y = 3 y = 1 
A. (1, 2) B. (2, 1) C. (-2, -1) D. no solution
Solve the equation by the square root property.(4x + 5)2 - 7 = 0
A. 
B. 
C. 
D. 
The displacement d (in meters) of an object at time t (in seconds) is given. Describe the motion of the object. What is the maximum displacement from its resting position, the time required for one oscillation, and the frequency?d = 6 sin (5t)
A. simple harmonic; -6 m; 
? sec; 
oscillations/sec
B. simple harmonic; 6 m; 5 ? sec; 
oscillations/sec
C. simple harmonic; 6 m; 
? sec; 
oscillations/sec
D. simple harmonic; 6 m; 
sec; 
? oscillations/sec