Mathematics, 13.07.2019 09:30 noglapotato
What is the determinant of the coefficient matrix of this system? 4x-3y=-8 8x-3y=12
Answers: 1
![\left[\begin{array}{cc}\text{x-coefficient, 1st equation}&\text{y-coefficient, 1st equation}\\\text{x-coefficient, 2nd equation}&\text{y-coefficient, 2nd equation} \end{array}\right]](/tpl/images/0084/3047/82ca4.png)
![\left[\begin{array}{cc}4&-3\\8&-3\end{array}\right]](/tpl/images/0084/3047/5de70.png)
![\left | \left[ \begin{array}{cc}a&b\\c&d\end{array}\right]\right | = ad-bc](/tpl/images/0084/3047/170ba.png)
![\left | \left[\begin{array}{cc}4&-3\\8&-3\end{array}\right] \right | = 4(-3) - 8(-3) = -4(-3) = 12](/tpl/images/0084/3047/f3c65.png)
Another question on Mathematics
Mathematics, 21.06.2019 17:00
In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq
Answers: 1
Mathematics, 21.06.2019 17:00
How to solve a simultaneous equation involved with fractions?
Answers: 1
Mathematics, 21.06.2019 19:00
To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36
Answers: 1
Mathematics, 21.06.2019 19:50
Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality
Answers: 2
You know the right answer?
What is the determinant of the coefficient matrix of this system? 4x-3y=-8 8x-3y=12...
Questions
Biology, 11.10.2020 03:01
Social Studies, 11.10.2020 03:01
Chemistry, 11.10.2020 03:01
Physics, 11.10.2020 03:01
Chemistry, 11.10.2020 03:01
Mathematics, 11.10.2020 03:01
Mathematics, 11.10.2020 03:01
Chemistry, 11.10.2020 03:01
Biology, 11.10.2020 03:01
English, 11.10.2020 03:01
