Usama007 Usama007
  • 01-08-2016
  • Mathematics
contestada

2x+ky=7 and 4x-9y=4 find value of k if matrix of coefficients is singular

Respuesta :

caylus
caylus caylus
  • 01-08-2016
Hello,

| 2  k|
|4 -9 |=6

==>2*(-9)-4*k=0
==>k=-9/2

Answer Link

Otras preguntas

How does the setting of a small town during the Great Depression affect the characters and plot of "Gumption"? a. The characters face difficult problems with f
What's the fraction for 2%
The duties that the President must carry out are explained.... A. By Congress B. In Article II of the Constitution C. In the oath of office D. By the U.S. Chief
5 arguments for and against the death penalty
In a cell information that controls the production of proteins must pass from the nucleus to
why did the Crown pass so-called Intolerable Acts
y=9/7x+1 standard form
In order for biological evolution to occur, the environment would have to change drastically. True False
which plural is not formed correctly/ a lamp = lamps b crutch=crutches c eaves = eaves d roof = rooves
what happens as thermal energy is transferred from the core to the mantle