Applications of Linear Functions (VCE SSCE Mathematical Methods): Flashcards
📚Flashcards
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10 cards from this deck
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Practise the cards
10 cards from this deck
Linear functions model
Linear functions model
Real-world situations
Fixed charge in linear cost model
Fixed charge in linear cost model
Constant amount that doesn't change (y-intercept)
Variable charge in linear cost model
Variable charge in linear cost model
Amount depending on usage (gradient/slope)
In , 'a' represents
In , 'a' represents
Fixed charge (constant term)
In , 'b' represents
In , 'b' represents
Rate per unit (coefficient of x)
Break-even point definition
Break-even point definition
Where two options cost exactly the same amount
Finding break-even graphically
Finding break-even graphically
Look for where two lines intersect on graph
Finding break-even algebraically
Finding break-even algebraically
Set two expressions equal and solve for variable
Steeper gradient means
Steeper gradient means
Cost increases more quickly as usage increases
When comparing options, consider
When comparing options, consider
Both fixed charge and variable rate
