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5.2a: Solve Systems by Substitution

Last updated over 1 year ago
13 questions
Do Now
1

How was your break? What was the best part?

Today's Lesson: Solve Systems by Substitution
Objective:
I can solve a system of linear equations by substitution.
1

Solve the linear system of equations using substitution.


1

Solve the linear system of equations using substitution.

1

Solve the linear system of equations using substitution.

Solve by Substitution, then Graph it!
1

Solve the system by substitution, then graph it to confirm the solution you found.


1

Solve the system of equations. Show all work.
3x+7y=21
y = x - 7

1

y = 2x + 11
y = -3x + 1

1

CHALLENGE! (only do this one after you finish the rest of the Formative questions)

Solve the system by substitution, then graph it to confirm the solution you found.


Basics Review of Systems
1

What is the solution to the systems of equations shown above?

3
Write the equations of the lines.
If there is a solution, state what the solution or if there is "no solution"
Equation #1: _______
Equation #2: _______
Solution: _______
3
Write the equations of the lines.
If there is a solution, state what the solution is:
Equation #1: _______
Equation #2: _______
Solution: _______
3
Write the equations of the lines.
If there is a solution, state what the solution is:

Equation #1: _______
Equation #2: _______
Solution: _______
1

Here is a system of equations:




Which of the following is a solution to the system? Use substitution to solve.

Homework: Get some rest after the first day back from break!

--> Extra Credit (continued...): continue working on Mastery Goals