Warm Up:
1. Determine how many solutions each system has:
a) y = ­7x + 9
7x + y = 9
b) x + 2y = 1
y = ­1/2 x + 9
c) ­2x + y = 4
4x + y = 2
Oct 12­8:35 AM
Homework Questions?
Oct 13­7:15 PM
1
y
Homework questions?
6
5
4
3.
x- y = 4
x + y = -2
3
2
1
­6
­5
­4
­3
­2
­1
0
­1
x
1
2
3
4
5
6
­2
­3
­4
­5
­6
Oct 12­8:41 AM
Bennett is selling tickets to Rock N Roll Revival. On the first day of ticket sales the
school sold 3 senior citizen tickets and 1 student ticket for a total of $38. The
school took in $52 on the second day by selling 3 senior citizen tickets and 2 student
tickets. Find the price of a senior citizen ticket and the price of a student ticket.
Oct 12­8:37 AM
2
Worksheet Practice
Oct 13­7:16 PM
How many solutions does the system have?
y = -2x + 1
y = 3x + 4
Oct 12­8:44 AM
3
How many solutions does the system have?
y = -2x + 1
y = -2x + 3
Oct 12­8:44 AM
How many solutions does the system have?
y = 7x + 4
-7x + y = 4
Oct 12­8:44 AM
4
How many solutions does the system have?
-2x + y = 1
4x + y = 4
Oct 12­8:44 AM
How many solutions does the system have?
-2x + y = 1
4x + y = 4
Oct 12­8:44 AM
5
How many solutions does the system have?
-2x + 3y = 1
-4x + 6y = 4
Oct 12­8:44 AM
Journals:
Describe how you feel so far
about learning about systems of equations.
What has been confusing?
What has made sense? What questions do
you still have?
Can you see how they might be useful?
Oct 12­10:06 AM
6
Oct 12­8:46 AM
7
Attachments
7.1 day 2 Auto Repair ws.doc
systems­linear­equations.pdf
Systems of Equations Graphing.pdf
Breaking down a systems of equations word problem.docx
7.1 worksheet a.pdf