Alg. 1 6-3 Part 1
Presentation
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Easy
+10
Standards-aligned
Eduardo Olivas
Used 1K+ times
FREE Resource
8 Slides • 6 Questions
1
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SLIDESMANIA.COM
6-3 Solving System of
Equations with Elimination
2
Open Ended
How did you feel with the quiz yesterday? With this chapter so far?
3
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SLIDESMANIA.COM
Learning Target and Success Criteria
Learning Target
Success Criteria
❏
I can solve a system of equations
using addition or subtraction to
eliminate
❏
I will write my equations in
standard form ax + by = c
❏
I will find a variable that has the
same coefficients
❏
I will add or subtract as needed to
eliminate that variable
❏
I will solve the equation and use
the value to find the second value
4
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SLIDESMANIA.COM
Elimination Method
●In order to use elimination method, you need to have both equations in
standard form: ax + by= c
●You need to have the same variable have coefficients that are opposite
●When you have that you will add both equations and the variable should
cancel/eliminate
●Solve for the variable that is left and go back to find the other variable
5
SLIDESMANIA.COM
SLIDESMANIA.COM
Use elimination to solve the system of equations
Example
6
Poll
How do you feel with this example?
I understood it
I kinda understand it
I have no clue
7
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SLIDESMANIA.COM
Use elimination to solve the system of equations
Example
8
Open Ended
What is your solution?
9
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SLIDESMANIA.COM
Example
Use elimination to solve the system of equations
10
Multiple Choice
Guess the movie
👨🏫 +🇺🇲
Teacher america
captain America
america
teacher
11
Multiple Choice
Solve the system of Equation (x,y) 3x + y = –14 –2x – y = 9
(-5,1)
(5,-1)
(5,4)
(-5,4)
12
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SLIDESMANIA.COM
Use elimination to solve the system of equations
Example
13
Poll
How do you feel about this section?
I understand it
I am getting it, but need more practice
I kinda get it but I am still a bit lost
I have no idea what is going on!
14
SLIDESMANIA.COM
SLIDESMANIA.COM
Learning Target and Success Criteria
Learning Target
Success Criteria
❏
I can solve a system of equations
using addition or subtraction to
eliminate
❏
I will write my equations in
standard form ax + by = c
❏
I will find a variable that has the
same coefficients
❏
I will add or subtract as needed to
eliminate that variable
❏
I will solve the equation and use
the value to find the second value
SLIDESMANIA.COM
SLIDESMANIA.COM
6-3 Solving System of
Equations with Elimination
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