Nova Scotia
8. Represent functional relationships in multiple ways and describe connections
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Overview
Word problems of graphing linear functions
What You'll Learn
Identify independent and dependent variables in real-world linear function contexts
Convert linear equations to slope-intercept form for graphing cost relationships
Interpret the y-intercept as fixed cost and slope as variable cost per unit
Calculate total costs by substituting values into linear function equations
Solve for unknown quantities when given total cost in linear equations
What You'll Practice
1
Graphing cost versus quantity relationships from linear equations
2
Calculating costs for specific quantities using given formulas
3
Solving for number of items when total cost is known
4
Identifying fixed costs and per-unit costs from linear equations
Why This Matters
Understanding cost functions helps you make smart financial decisions in everyday life and business. Whether you're planning events, comparing pricing plans, or running a business, graphing linear functions lets you visualize costs, predict expenses, and find break-even points quickly.
Before You Start — Make Sure You Can:
This Unit Includes
2 Video lessons
Practice exercises
Skills
Linear Functions
Graphing
Slope-Intercept Form
Word Problems
Cost Functions
Fixed and Variable Costs
Dependent and Independent Variables
NS Curriculum Aligned