Unit 33
Solving and interpreting systems of equations using multiple methods
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Day 1
What is a system of equations?
Day 2
Solutions to systems: ordered pairs
Day 3
Graphing linear equations review
Day 4
Solving systems by graphing
Day 5
Interpreting intersection points
Day 6
Systems with one solution (intersecting lines)
Day 7
Systems with no solution (parallel lines)
Day 8
Systems with infinite solutions (same line)
Day 9
Introduction to substitution method
Day 10
Substitution: isolating a variable
Day 11
Substitution: solving and back-substituting
Day 12
Substitution practice problems
Day 13
Introduction to elimination method
Day 14
Elimination: adding equations
Day 15
Elimination: subtracting equations
Day 16
Elimination: multiplying before adding
Day 17
Elimination practice problems
Day 18
Choosing a method: graphing vs. substitution vs. elimination
Day 19
Systems word problems: setup
Day 20
Systems word problems: mixtures
Day 21
Systems word problems: distance-rate-time
Day 22
Systems word problems: cost and quantity
Day 23
Systems word problems: comparison
Day 24
Checking solutions in context
Day 25
Systems of inequalities introduction
Day 26
Graphing systems of inequalities
Day 27
Solution regions for inequality systems
Day 28
Real-world systems applications
Day 29
Systems review
Day 30
Unit assessment