Factor the polynomial completely using the trial and error method.3x2 - 11x - 10
A. (3x - 5)(x + 2)
B. (3x - 2)(x + 5)
C. (3x + 2)(x - 5)
D. prime
Answer: D
Mathematics
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Solve the equation.
3x + 5 = 9x- 3
A. 
B. 
C. 
D. 
Mathematics
Factor completely.4a3 - 81a
A. a(4a + 1)(a - 81) B. a(2a + 9)(2a - 9) C. a(2a - 9)2 D. (2a2 + 9)(2a - 9)
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.9x2 - 39x - 30
A. 3(3x - 2)(x + 5) B. (9x + 6)(x - 5) C. 3(3x + 2)(x - 5) D. prime
Mathematics
Solve the system using the inverse matrix method.
A. x = 49, y = 66, z = 28; (49, 66, 28) B. x = -1, y = 0, z = 0; (-1, 0, 0) C. x = 39, y = -44, z = 16; (39, -44, 16) D. x = 28, y = -45, z = 16; (28, -45, 16)
Mathematics