The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (-7, 0)
B. (-5, 2)
C. (-6, 2)
D. Inconsistent
Answer: B
Mathematics
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Solve.x2 + y2 = 113x + y = 15
A. (8, -7), (7, -8) B. (-8, -7), (-7, -8) C. (-8, 7), (-7, 8) D. (8, 7), (7, 8)
Mathematics
Find the indicated intercept(s) of the graph of the function.x-intercepts of f(x) = 
A. (
, 0), (-
, 0)
B. (-6, 0)
C. (8, 0)
D. none
Mathematics
Evaluate the polynomial.y2 - 2y + 3 for y = 4
A. 21 B. 11 C. 8 D. 27
Mathematics
The slope of a line is given. Determine the slope of the line perpendicular to the line whose slope is given.m = - 
A. m = -3
B. m = - 
C. m = 3
D. m = 
Mathematics