Use Cramer's rule to solve the linear system.6x + 2y - z = 19  x + 2y + 7z = 719x + y + z = 47

A. (5, 0, 9)
B. (4, -2, -9)
C. (2, 9, 2)
D. (4, 2, 9)


Answer: D

Mathematics

You might also like to view...

Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 9x3, y = 9x, for x ? 0

A. ?
B. ?
C. ?
D. ?

Mathematics

Find the point-slope form of the equation of the line satisfying the given conditions and use this to write the slope-intercept form of the equation.Passing through (0, -6) and (-4, -2)

A. y = -x - 6 B. y = x + 6 C. y = -x + 6 D. y = x - 6

Mathematics

The graph of the function follows. Choose the graph of y = f(|x|).

Mathematics

Determine whether the statement is true or false.|-6 - (-14)| = |-6| - |-14|

A. True B. False

Mathematics