Factor the trinomial completely. If the polynomial cannot be factored, write "prime."2x2 - 24x + 2x3
A. (x - 3)(2x2 + 8)
B. 2x(x - 3)(x + 4)
C. 2x(x + 3)(x - 4)
D. (2x2 + 6x)(x - 4)
Answer: B
Mathematics
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A. 4x + 49 B. 12x + 49 C. -12x + 49 D. -12x - 31
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Solve the equation.-5x + 21 = 2x - 7
A. {3} B. {4} C. {-4} D. {-3}
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Multiply.(y - 2)(y - 4)
A. y2 + 6y - 8 B. 2y + 8 C. y2 - 6y + 8 D. 2y2 - 8
Mathematics
Solve the triangle. Approximate values to the nearest tenth, if necessary.
A. A ? 106.0°, B ? 55.7°, C ? 18.3° B. A ? 112.0°, B ? 52.6°, C ? 15.4° C. A ? 120.4°, B ? 47.1°, C ? 12.5° D. A ? 138.0°, B ? 32.6°, C ? 9.4°
Mathematics