Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set.6x - 7y = 494x + 2y = -14

A. {(0, -7)}
B. Cramer's rule does not apply since D = 0; ?
C. {(-1, -6)}
D. {(0, -6)}


Answer: A

Mathematics

You might also like to view...

Find the range for the given data items.9, 10, 11, 12, 13

A. 11 B. 4 C. 9 D. 13

Mathematics

?Find the radius of convergence centered at  for the following function. ? ?

A. ?4
B. ?2
C. ?0
D. ?1
E. ?

Mathematics

Use the properties of logarithms to expand the expression . (Assume ).

A.
B.
C.
D.
E.

Mathematics

The relationship governing the intraindustrial and interindustrial sales and purchases of four basic industries - agriculture (A), manufacturing (M), transportation (T), and energy (E) - of a certain economy is given by the following input-output matrix.



How many units of energy are required to produce 1 unit of manufacturing goods?

a. 0.5 units
b. 0.1 units
c. 0.2 units
d. 0.4 units

Mathematics