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Year 12 Simultaneous

Definitions and Facts from the NSW Year 12 Simultaneous Equations Maths Topic

TermDefinition
break even point when costs equal income
gradient intercept formula y = mx + b
elimination method eliminate one pronumeral by adding or subtracting the two equations
substitution method make one pronumeral the subject and substitute the expression for this subject into the other equation
linear model describes a practical situation mathematically using a linear function
y intercept where the line cuts the y axis or vertical axis
gradient vertical ise over the horizontal run
linear function makes a straight line when graphed on a number plane
profit income minus cost
Created by: wdobson