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.4x2 + 12x + 9 = 0
A. Two different real-number solutions
B. One real solution
C. Two different imaginary-number solutions
Answer: B
Mathematics
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Evaluate the factorial expression.
A. 720 B. 10 C. 1 D. 5040
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Write as a percent. 1.33
A. 1830% B. 1330% C. 233% D. 133%
Mathematics
List the intercepts for the graph of the equation.y2 = x + 36
A. (6, 0), (0, 36), (0, -36) B. (-6, 0), (0, -36), (6, 0) C. (0, -6), (-36, 0), (0, 6) D. (0, -6), (36, 0), (0, 6)
Mathematics
Find the angle between the planes.-7x - 2y - 6z = -5 and 4x + 2y - 9z = -2
A. 1.412 B. 1.337 C. 0.605 D. 0.234
Mathematics