Write the first four terms of the sequence.an = (-1)n-1(8n - 9)
A. a1 = -1, a2 = -25, a3 = 15, a4 = -23
B. a1 = -1, a2 = 7, a3 = 15, a4 = 23
C. a1 = -1, a2 = -7, a3 = 15, a4 = -23
D. a1 = 1, a2 = 7, a3 = -15, a4 = -23
Answer: C
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Graph the inequality.y ? x - 5
A. 
B. 
C. 
D. 
Find the standard form of the equation of the circle.Center at (5, -6) and containing the point (3, 2).
A. (x + 5)2 + (y - 6)2 = 2
B. (x + 5)2 + (y - 6)2 = 68
C. (x - 5)2 + (y + 6)2 = 68
D. (x - 5)2 + (y + 6)2 = 2
Estimate the sum or difference by rounding.
A. 2865 B. 2870 C. 3100 D. 2900
Determine the discriminant of the quadratic equation. Use the value of the discriminant to determine whether the quadratic equation has two rational solutions, two irrational solutions, one repeated real solution, or two complex solutions that are not real.4x2 + 4x + 1 = 0
A. Two complex solutions that are not real B. Two irrational solutions C. One repeated real solution D. Two rational solutions