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

Luke made a model that has 1 circular base and 1 curved surface.what solid figure did he make
Morgan found a stone arrowhead. He measured it three times. He measured it as 2 inches to the nearest inch, to the nearest 1/2 inch, and to the nearest 1/4 inch
the area of a triangle is 41 yards to the second power with a base of 5 yard what is the height in yard
What's a good slogan for a dietitian (have dietitian in it) ?
what is the simplest square root of 1345? no decimals please
How did the depression affect women and children?
Which of the following is formed at a collision zone?Continental rift valleyVolcanic island chainMountain rangeDeep-ocean trench
How did the depression affect women and children?
what is the simplest square root of 1345? no decimals please
how might a scientist a determine  whether trait sex-linked by observing the offspring of several genetic crosses