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

Find the common ratio of the geometric sequence: 1/18, 1/3, 2, 12, 72, 432, ... 6 9 12 1/9
What is the value of m in the equation 1/2m-3/4n=16, when n = 8? A. 20 B. 32 C. 44 D. 48
During a new moon, the moon is A) in between Earth and the sun. B) in front of the sun, in back of Earth. Eliminate C) in front of Earth, in front of the
which of the following terms discribes the measure indicated by the black arrow below
her paper focuses on which major historical theme​
what is the interquartile range of this data set 2, 5, 9, 11, 18, 30, 42, 48, 71, 73, 81
Who was responsible for the Cold War - the United States or the Soviet Union? and How/Why?
find the greatest common factor of the following monomials 6u6 32u 38u2​
Which statement best describes a human influence on the biogechemical cycles
What have I to say to you When we shall meet? Yet 1 lie here thinking of you The stain of love Is upon the world Yellow, yellow, yellow It eats into the leaves,