Solve the equation and check your solution. If there is no solution, say so.
+
= 
A. x = -8, x = 1
B. x = 8, x = 1
C. x = 8, x = -1
D. x = 1
Answer: D
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Use the ac method to factor the trinomial, or state that the trinomial is prime.6x2 + 13x + 6
A. (2x + 3)(3x + 2) B. (6x + 3)(x + 2) C. (2x - 3)(3x - 2) D. prime
Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 9, u '(2) = 2, v(2) = -1, v '(2) = -4. (2u - 4v) at x = 2
A. 22 B. 14 C. 20 D. -12
Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation , where n is the number of filtering steps. Find the amounts left for
and
. (Round to the nearest whole number.)
A. 700, 44 B. 700, 22 C. 1400, 44 D. 700, 11,200
Find all values of x satisfying the given conditions.y1 = 2 - 10x, y2 = (3x - 7)(x + 1), and y1 - y2 = 0
A. -3, 1
B. -1,
C.
D. -1, 3