Solve the quadratic equation. x2 + 7x + 2 = 0
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the derivative of the function.h(x) = 
3
A. 3
2
B. 
2
C. 
D. -3
2
Mathematics
Find cos(A - B).cos A = - 
and cos B = 
, where 
and 
.
A. - 
B. 
C. 
D. - 
Mathematics
Solve the problem.Determine the value(s) of b that will make x2 + bx + 9 a perfect square trinomial.
A. ±6 B. -6 C. 6 D. Not possible
Mathematics
Factor the binomial completely.x2 - 
A. 
2
B. 
C. 
2
D. 
Mathematics