Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 - 5x - 6 = 0
A. One real solution
B. Two different real-number solutions
C. Two different imaginary-number solutions
Answer: B
Mathematics
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Perform the multiplication.
A. 0.000545 B. 0.545 C. 5.45 D. 0.0545
Mathematics
Give all solutions of the nonlinear system of equations, including those with nonreal complex components. xy = 72x + y = -17
A. {(8, 9), (9, 8)} B. {(8, -9), (9, -8)} C. {(-8, 9), (-9, 8)} D. {(-8, -9), (-9, -8)}
Mathematics
The given pattern continues. Write down the nth term of the sequence suggested by the pattern.0, 2, 6, 12, 20, ...
A. an = 2n - 2 B. an = n2 - n C. an = 4n - 6 D. an = 2n-1 - 1
Mathematics
Find the sum.- 
+ 
A. 
B. 
C. 1
D. 
Mathematics