Determine the real solutions to the system of nonlinear equations.xy = 10x + y = -7
A. (-2, -5), (-5, -2)
B. (2, 5), (5, 2)
C. (-2, 5), (-5, 2)
D. (2, -5), (5, -2)
Answer: A
Mathematics
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A. 1 B. -4 C. 4 D. -1
Mathematics
Find the nth term an of the geometric sequence.2, 
, 
, 
, 
, . . .
A. an = (2)
n-1
B. an = (2)
n+1
C. an = (2)
n
D. an = (2)
n-1
Mathematics
Write the first four terms of the sequence.an = -5
A. a1 = -5, a2 = 10, a3 = -15, a4 = 20 B. a1 = -5, a2 = -10, a3 = -15, a4 = -20 C. a1 = 5, a2 = -5, a3 = 5, a4 = -5 D. a1 = -5, a2 = -5, a3 = -5, a4 = -5
Mathematics
Solve the inequality. Write the solution set in interval notation.|x + 1| > 3
A. (-4, 2) B. ? C. (2, ?) D. (-?, -4) ? (2, ?)
Mathematics