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

a quarterback threw the football 300 yards over 2 1/2 games.how Manny yards did the quarterback average per game?
2x7+2 ? What does x =
During what time period did the hykos conquer egypt?
Which expression is a way to represent the ratio of a to b? A: b : a B: b to a C: ab D: ba
a 12000-gallon pool is being filled at a rate of 40 gallons per minute. at this rate, how many minutes will it take to fill this pool 3/4 full?
Students collected data about the capacities of their lungs by inflating balloons with a single breath. they measured the circumference of the balloons in centi
What purpose did NAFTA serve?
What is the main purpose of including warm-up and cool down periods in exersise sessions To prevent injuries To improve endurance To maintain muscle size To
The most important solo instruments of the baroque were the
What steps are recommended for creating a successful person budget?