Find the real solutions, if any, of the equation. Use the quadratic formula.5x2 + 7x - 6 = 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Write out the first five terms of the sequence.cn = 
n-3
A. - 
, - 
, 0, - 
, - 
B. 
, 
, 1, 
, 
C. 
, - 
, 1, - 
, 
D. 
, - 
, 0, - 
, 
Mathematics
Perform the computation.(-49) - (-19)
A. -30 B. 68 C. 30 D. -68
Mathematics
Find the sign of the following.cot (? + 180°), given that ? is in the interval (270°, 360°).
A. positive B. negative
Mathematics
Find the product or quotient, using trigonometric form. Write the answer in the form a + bi.(8 - 4i)(5 + 8i)
A. 72 - 44i B. -32i2 + 44i + 40 C. 72 + 44i D. 8 - 84i
Mathematics