A community for students. Sign up today!
Here's the question you clicked on:
← 55 members online
 0 viewing
 one year ago
Given the system of equations, what is the value of the system determinant?
x + y = 8
x  y = 10
 one year ago
Given the system of equations, what is the value of the system determinant? x + y = 8 x  y = 10

This Question is Open

fewscrewsmissing
 one year ago
Best ResponseYou've already chosen the best response.0To find the determinant of a 2x2 matrix: \[A = \left[\begin{matrix}a & b \\ c & d\end{matrix}\right]\\ A=det(A)=adcb\]

fewscrewsmissing
 one year ago
Best ResponseYou've already chosen the best response.0I'd actually forgotten how to do this since it's been so long, and it literally took a 2 second Google search ;)

jedai17
 one year ago
Best ResponseYou've already chosen the best response.0a and c is the value of x and b and d is the value of y

jedai17
 one year ago
Best ResponseYou've already chosen the best response.0then find the determinant according to the formula given by @fewscrewsmissing
Ask your own question
Ask a QuestionFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.