Solve using matrices.-5x - y + 7z = 199x + 7z = 62 5y + z = 10
A. (-3, 1, 6)
B. (3, 5, 1)
C. (3, 1, 5)
D. (1, 5, 3)
Answer: C
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Which of the following most clearly exemplifies recursive reasoning?
a. Determining the 10th term in a sequence by using the "jump" from one term to the next to produce each of the first 10 terms. b. Determining the 10th term in a sequence by finding a rule that takes the sequence term number as its input and gives its value as the output. c. Determining the 10th term in a sequence by consulting a textbook or online source to find similar sequences. d. Determining the 10th term in a sequence by discussing the problem with classmates.
Solve the system of linear equations.x + y = 6x - y = 8
A. No solution B. (7, -1) C. (-7, 0) D. (6, 0)
Solve the literal equation for the specified variable.a + b = s + r for s
A. s = r(a + b)
B. s = 
C. s = 
+ b
D. s = a + b - r
The graph of two equations along with the points of intersection are given. Substitute the points of intersection into the systems of equations. Are the points of intersection solutions to the system of equations (Y/N)?
A. No B. Yes