Elimination Using Multiplication

Elimination Using Multiplication
Section 6.4
6.4 Topic Focus
I can…
● Solve a system of equations
using elimination
How do I multiply one equation to eliminate a
variable?
●
How do I multiply one equation to eliminate a
variable?
●
How do I multiply one equation to eliminate a
variable?
●
Reflect on what you’ve just learned!
● Write down one thing you learned.
● Write down one question you have
or one thing that is still challenging.
How do I multiply two equations to eliminate
a variable?
●
How do I multiply two equations to eliminate
a variable?
●
How do I multiply two equations to eliminate
a variable?
●
How do I multiply two equations to eliminate
a variable?
●
Reflect on what you’ve just learned!
● Write down one thing you learned.
● Write down one question you have
or one thing that is still challenging.
How do I apply elimination to a real-life
situation?
Example 1
●
At a sale on winter clothing, Cody bought two pairs of gloves
and four hats for $43.00. Tori bought two pairs of gloves
and two hats for $30.00. What were the prices for the
gloves and hats?
How do I apply elimination to a real-life
situation?
Example 2
●
English is spoken as the first or primary language in 78 more countries
than Farsi is spoken as the first language. Together, English and Farsi are
spoken as a first language in 130 countries. In how many countries is
English spoken as the first language? In how many countries is Farsi
spoken as the first language?
Reflect on what you’ve just learned!
● Write down one thing you learned.
● Write down one question you have
or one thing that is still challenging.