Solving Systems of Equations Lesson

3 Slides • 4 Questions

1

Solving Systems of Equations

Are You Ready??

2

Today, our goal is to get a little better at solving systems of equations using:

elimination
substitution

3

Poll

Which method would you use to solve this system of equations?

x = -5

2x + 3y = 10

elimination

substitution

Undecided

4

Poll

How confident are you in solving systems of equations?

Great

OK

Meh

5

Multiple Choice

Solve by substitution:

x = -2

x + 3y = 4

1

(2,2)

2

(-2,2)

3

(-3, 3)

6

Multiple Choice

Solve by elimination:

x - y = 11

2x + y = 19

1

(10, -1)

2

(-10, 1)

3

(-1, 10)

7

Error Analysis: What did this student do wrong?

Solving Systems of Equations

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