Factor the trinomial completely.x3 + 5x2 - 84x
A. x(x - 12)(x + 7)
B. (x2 + 7)(x - 12)
C. x(x + 12)(x - 7)
D. (x2 + 12)(x - 7)
Answer: C
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Solve for the variable.18.1 + 3.4t = 5.52
A. 48.78 B. -3.7 C. -14.3 D. -12.58
Solve the problem.A developer wants to enclose a rectangular grassy lot that borders a city street for parking. If the developer has 212 feet of fencing and does not fence the side along the street, what is the largest area that can be enclosed?
A. 8427 ft2 B. 11,236 ft2 C. 5618 ft2 D. 2809 ft2
Solve the system of equations.
A. x = 1, y = 2, z = 4; (1, 2, 4) B. x = 1, y = 4, z = 2; (1, 4, 2) C. x = 4, y = 1, z = 2; (4, 1, 2) D. x = 4, y = 2, z = 1; (4, 2, 1)
Use the properties of limits to help decide whether the limit exists. If the limit exists, find its value.
A. Does not exist B. 9 C. 36 D. 5