Solve using Cramer's rule, if possible. If it is not possible, state whether the system is inconsistent or has infinitely many solutions.
A. (0, -6)
B. Infinitely many solutions
C. (1, -7)
D. Inconsistent
Answer: D
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Show that the points form the vertices of the indicated polygon. ? Isosceles triangle: (7, 1), (5, 4), (2, 6) ?
A. Distances between the points: 
B. Distances between the points: 
C. Distances between the points: 
D. Distances between the points: 
E. Distances between the points: 
Find the sum of the geometric series for those x for which the series converges.
A. 
B. 
C. 
D. 
Provide an appropriate response.Given the slopes of three lines, m1 = 2, m2 = 5, m3 = -4, which line would you say is the steepest? Why?
A. The line with a slope of 5 is the steepest, because the absolute value of 5 is larger than the absolute values of 2 and -4.
B. The line with a slope of -4 is the steepest, because -4 is more negative than 
C. The line with a slope of -4 is the steepest, because the absolute value of -4 is more negative than the absolute values of 
D. The line with a slope of 2 is the steepest, because the absolute value of 2 is smaller than the absolute values of 5 and -4.
Graph the function.y = - 
cos 
x
A. 
B. 
C. 
D. 