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Solving Systems by Substitution

Solving Systems by Substitution

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Solving Systems by Substitution

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  1. Solving Systems by Substitution

  2. Warm Up • Solve the following system by graphing:

  3. Objective • The student will be able to solve systems of equations by substitution.

  4. Exploration • Solving Systems of Equations by Substitution Exploration

  5. Solving Systems by Substitution • You can solve systems of equations by substituting one equation into the other. • For example: • To solve this type of system you can simply set them equal to each other. See how y equals both 3 and 2x+1?

  6. Try with a Partner… • Solve the following system by substitution:

  7. Try With a Partner… • Solve the following system by substitution:

  8. Substitution Continued… • Sometimes, systems are not always solved in slope intercept form… • Example: See how you can sub in first equation for y in the second? Now we have x we can solve for y.

  9. Try with a Partner… • Solve the following system by substitution:

  10. Try With a Partner… • Solve the following system by substitution:

  11. On your own… • Solve the following system by substitution:

  12. On your own… • Solve the following system by substitution:

  13. Homework and Exit Ticket • Exit Ticket: • Solve the following: • Homework: • Worksheet