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Grade 7
Patterns and Relations
10. P7.4
10.3 Applications of linear relationships
Applications of linear relationships
What You'll Learn
Write linear equations to model real-world revenue, cost, and profit relationships
Create tables of values from linear equations to organize data systematically
Graph linear relationships by plotting ordered pairs and interpreting the meaning of each axis
Solve linear equations to find break-even points and target profit values
Substitute values into linear equations to calculate outcomes for specific scenarios
What You'll Practice
1
Writing revenue and profit equations from word problem scenarios
2
Creating tables of values and graphing linear relationships
3
Solving equations to find break-even points and specific profit targets
4
Substituting values to calculate profits for different sales amounts
Why This Matters
Linear relationships help you understand how businesses make decisions about pricing, costs, and profits. Whether you're planning a fundraiser, starting a business, or managing a budget, these skills let you predict outcomes and make smart financial choices in real life.
Before You Start — Make Sure You Can:
This Unit Includes
12 Video lessons
Skills
Linear Equations
Word Problems
Revenue and Profit
Tables of Values
Graphing
Break-Even Analysis
Substitution
Real-World Applications
SK Curriculum Aligned