Write the system of equations associated with the augmented matrix. Do not solve.
A. 14x + 17y = 13
6x + 15y = 12
B. 14x + 17y = 13
15x + 6y = 12
C. 14x + 17y = -13
15x + 6y = -12
D. 17x + 14y = 13
15x + 6y = 12
Answer: B
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What can be concluded about using experimental probability methods to find the probability of an event? ?
A. ?No matter how many times you repeat trials, the probability will never be close to the theoretical probability. B. ?By increasing the number of trials, the experimental probability will approach the theoretical probability. C. ?By increasing the number of trials, the experimental probability will become more accurate than the theoretical probability. D. ?It is always possible to use experimental probability methods to estimate the theoretical probability. E. ?Experimental probability methods are preferable to theoretical probability methods in most cases.
Evaluate the expression.3-2
A. -9
B. 9
C. 
D. 
Provide an appropriate response.Suppose that a problem asks you to find the height of a triangle, and that the problem leads to a quadratic equation. If h represents the height of the triangle, which of the following solutions to the equation cannot be an answer to the problem?
A. h = 1 + 
B. h = 
C. h = 1 - 
D. h = 
Factor the trinomial, if possible.16x2 - 56x - 32
A. (16x - 8)(x + 4) B. 8(2x + 1)(x - 4) C. 8(2x - 1)(x + 4) D. (2x - 1)(8x + 32)