Pc 7.1 notes

629 views

Published on

Published in: Education, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
629
On SlideShare
0
From Embeds
0
Number of Embeds
246
Actions
Shares
0
Downloads
6
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Pc 7.1 notes

  1. 1. February 27, 2012Warm-up:Graph the following equations. 1
  2. 2. February 27, 20127.1 Linear and NonlinearSystemsEssential Question:How do you use substitution and graphing to solvesystems of equations?Standard: Linear Algebra 1.0 2
  3. 3. February 27, 2012Substitution-1. Solve one equation for one variable (in terms of theother).2. Substitute into the second equation.3. Solve new equation.4. Back-substitute to find the other variable.5. Check solutions in BOTH original equations. 3
  4. 4. February 27, 2012Ex. 1) Solve the system by substitution. 4
  5. 5. February 27, 2012Ex. 2) Solve the system by substitution. 5
  6. 6. February 27, 2012Ex. 3) Solve the system by substitution. 6
  7. 7. February 27, 2012Ex. 4) A total of $25,000 is invested in two funds paying7% and 4% simple interest. The yearly interest is $1405.How much is invested at each rate? 7
  8. 8. February 27, 2012Assignment:7.1 p. 503 #2, 5, 9,11, 17, 21, 27, 35, 67 8

×