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

Help needed plezAns in (ii) is 1.5
What is the value of the function y = 2x + 3 When x = –1? A. 5 B. –5 C. 2 D. 1
someone please help. SERIOUS answers only
What condition is characterized by chronic high blood pressure
What is the fractional equivalent of 0.2323
Would changing the amount of NaOH used in reaction 1 affect the value obtained for the energy given off per mole of NaOH? Explain.
The marshall plan was important because it
what is the Definition of life?
Cheryl and Daryl are circus performers. A cable lifts Cheryl into the air at a constant speed of 2 ft/s. When Cheryl's arms are 12 ft above the ground, Daryl th
Do you think the gene EEF1 ALPHA1 supports cell theory