Solve the equation using the quadratic formula.16x2 + 1 = 7x
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine if the given function y is a solution of the differential equation that follows it. Assume that C is an arbitrary constant.y = Ce-5t; y'(t) + 5y = 0
A. No B. Yes
Mathematics
Express the number in terms of i.
A. -6i
B. 6i
C. i
D. ±6
Mathematics
Evaluate the following expression if it represents a real number.
?
?
A. 
B. 
C. 
D. 
E. not a real number
Mathematics
Solve.12x + 12 = 180
A. 3 B. 160 C. 156 D. 14
Mathematics