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 :

01-08-2016

Hello,

| 2 k|
|4 -9 |=6

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

Answer Link

Otras preguntas

Which theorem or postulate can you use to prove that KR || MT using the markings in the diagram? Converse of Same-side interior angles theorem Converse of Alte

the author of "the child of Urbino" does not explicitly tell us that raphael became a great artist. Instead he uses dialogue. Which of the following statements

Use the slope-intercept form to graph the equation 3x-4y=-8

How are elements arranged in the Periodic Table? A. by their properties B. alphabetically C. by how much they are worth D. in the order th

hello can you please help me posted picture of question

After a bill has been introduced, what happens next in the lawmaking process?

What is the characteristics of a spear phishing message

The volume of a right rectangular prism is 573.3 cm³. The length of the right rectangular prism is 7.35 cm and the height is 16.25 cm. What is the width of the

"in any given year, the most common type of psychological disorder is:"

The major purpose of the federal reserve buying government securities in open market operations is to