Simplify the expression.(
)(-2) - (
)(-7)
A. -69
B. 59
C. 57
D. -57
Answer: C
Mathematics
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In the following question(s), FN represents the Nth Fibonacci number.F1000/F1001 rounded to three decimal places gives
A. 1.618. B. 0.999. C. 0.618. D. 1.414. E. none of these
Mathematics
Use the quadratic formula to solve the equation.x2 + 10x + 6 = 0
A. {-10 + 
}
B. {5 + 
}
C. {5 ± 
}
D. {-5 ± 
}
Mathematics
Solve the proportion.
= 
A. 6 B. 28 C. 7 D. 4
Mathematics
Find the vertex of the parabola.f(x) = - 
x2 + 5x - 5
A. (15, -5)
B. 
C. 
D. (-15, -155)
Mathematics