Use the discriminant to determine whether the solutions for the equation are two rational numbers, one rational number, two irrational numbers, or two nonreal complex numbers. Do not actually solve.4x2 - 12x + 9 = 0
A. two nonreal complex numbers
B. two irrational numbers
C. one rational number
D. two rational numbers
Answer: C
Mathematics
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Solve the equation.|
n + 2| = |
n - 2|
A. 0 B. 16, 12 C. No solution D. 16, 0
Mathematics
Find the center of the hyperbola.25y2 - 4x2 = 100
A. (0, 2) B. (5, 0) C. (2, 5) D. (0, 0)
Mathematics
Match the given equation with one of the graphs.y2 = 25 - x2
A. 
B. 
C. 
D. 
Mathematics
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. If necessary, round answers to two decimal places.f(x) = x3 - 12x + 2; (-5, 5)
A. local maximum at (-2, 18) local minimum at (0, 0) local minimum at (2, -14) B. local minimum at (0, 0) C. local maximum at (-2, 18) local minimum at (2, -14) D. none
Mathematics