​Intro to Systems

​November 10

​

" Jules opened a checking account with $500 and plans to spend $50 each week. Astrid opened a checking account with $50 and plans to save $25 each week. An equation is showing the relationship between x, the number of weeks and y, the account balance is shown for each account below.

​Where do the graphed lines intersect?

c. Prove that the point of intersection is a solution to each equation by substituting the values into the equations.

*System of Equations: Two or more linear equations that use the same ____________ forms a system of equations.

*Solution of a System: The solution to a system of linear equations is the _______________ ________ that makes all the equations of the system true.

______ solution:

_____ solution:

___________ solution:

Lines have different ________ and intersect at ______ point.

Lines have same ________ and different y-intercepts; do not intersect

Lines have same ________ and same y-intercept.

​Where do the graphed lines intersect?

​Where do the graphed lines intersect?

​Where do the graphed lines intersect?

​Where do the graphed lines intersect?

​Awesome

work today!

​You may pack up now :)​