Solve using the quadratic formula.3x2 = -8x - 2
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the value of the indicated trigonometric function of the angle ? in the figure. Give an exact answer with a rational denominator.
Find tan ?.
A. 
B. 
C. 
D. 
Mathematics
Use a sum or difference identity to find the exact value.
A. 
B. 2
C. 
D. 
Mathematics
Use the graph of f to determine the intervals where f is increasing and where f is decreasing.
A. increasing: [2, ?); decreasing: (-?, 2] B. increasing: (-?, 1] ? [2, ?); decreasing: [1, 2] C. increasing: [0, 3]; decreasing: (-?, 0] ? [3, ?) D. increasing: [0, ?); decreasing: (-?, 0]
Mathematics
Write the first five terms of the geometric sequence.
a. 
b. 
c. 
d. 
Mathematics