Find the real solutions, if any, of the equation. Use the quadratic formula.x2 - 8x - 15 = 0
A. {4 + 
, 4 - 
}
B. {-4 + 
, -4 - 
}
C. {8 + 
, 8 - 
}
D. {4 + 
, 4 - 
}
Answer: A
Mathematics
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A series circuit has R = 100 K and C = 0.03 æF. Find VC (charging) when t = 10 msec and E = 30 V.
a. 6.8 V b. 17.7 V c. 25.1 V d. 27.4 V e. 28.9 V
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Solve the polynomial equation.x3 - 9x2 + x - 9 = 0
A. x = 9, -i, i B. x = -9, -i, i C. x = -9, 9, i D. x = -1, 1, 9
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Evaluate the trigonometric function using its period as an aid.
?
?
A. 
B. 
C. 
D. 
E. 
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Find the limit, if it exists.
A. -?
B. - 
C. ?
D. 4
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