Factor completely by trial and error. If prime, so state.15x2 - 17x - 4
A. (x - 4)(15x + 1)
B. (3x + 4)(5x - 1)
C. (3x - 4)(5x + 1)
D. (5x - 4)(3x + 1)
Answer: C
Mathematics
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A die is rolled five times and the number of fours that come up is tallied. Find the probability of getting the given result.Exactly zero fours
A. .424 B. .0001 C. .161 D. .402
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Determine the vertex of the graph of the parabola.y = - x2 - 4x - 4
A. (0, 2) B. (2, 0) C. (-2, 0) D. (0, -2)
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Write the quadratic function in vertex form.y = x2 - 20x
A. y = (x + 20)2 - 20 B. y = (x - 20)2 - 400 C. y = (x + 10)2 - 10 D. y = (x - 10)2 - 100
Mathematics