Solve using Cramer's rule.-5x - 8z = -109 8x + 8y + 4z = 112-9x - 4y = -85

A. (9, -1, -8)
B. (1, 8, 1)
C. (10, -1, 8)
D. (9, 1, 8)


Answer: D

Mathematics

You might also like to view...

Use factoring techniques to solve the equation.x2 + x - 20 = 0

A. {-5, 4} B. {-5, -4} C. {-4, 5} D. {4, 5}

Mathematics

Change to decimal numbers.

A. 0.84 B. 0.75 C. 0.74 D. 0.64

Mathematics

Use the comparison test to determine if the series converges or diverges.

A. Converges B. Diverges

Mathematics

Write the standard form of the equation of the hyperbola centered at the origin.Vertices: Asymptotes:

A.
B.
C.
D.
E.

Mathematics