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Solving Systems by Substitution. Warm Up. Solve the following system by graphing:. Objective. The student will be able to solve systems of equations by substitution. Exploration. Solving Systems of Equations by Substitution Exploration. Solving Systems by Substitution.
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Warm Up • Solve the following system by graphing:
Objective • The student will be able to solve systems of equations by substitution.
Exploration • Solving Systems of Equations by Substitution Exploration
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?
Try with a Partner… • Solve the following system by substitution:
Try With a Partner… • Solve the following system by substitution:
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.
Try with a Partner… • Solve the following system by substitution:
Try With a Partner… • Solve the following system by substitution:
On your own… • Solve the following system by substitution:
On your own… • Solve the following system by substitution:
Homework and Exit Ticket • Exit Ticket: • Solve the following: • Homework: • Worksheet