311_Q2Soln

# 311_Q2Soln - Name S°BUTl 0H Quiz 2 Mth Sc 311 x1 x2—x3=2...

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Name S°BUTl 0H Quiz 2 Mth Sc 311 x1+x2—x3=2 1. Consider the system of linear equations: x2 + x3 = 3 x1 + 2x2 = 5 (4 pts) a. Write down the augmented matrix and use elementary row operations to find the RREF. ‘Lt: (Hz-1%} - ‘10:..5".\Lot|3‘2;;1.: Kt%;:X‘:-‘ x‘ =..‘+ZX3 " 3:“ mm x345“ (2 pts) b. Give the solution set S to the system using letters like a, b, to indicate free variables. ~|+La S -.- s-o. :aelk a, 5={Et+u,3-a,a] : exam} 0. x—2y=-1 (4 pts) 2. Consider the system of two equations in two unknowns: . x +y =2 Plot and clearly label the lines determined by each of the equations and then determine the solution graphically. ...
View Full Document

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern