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Year 11
Formulae and Equations
Term | Definition |
---|---|
substitution | replacing pronumerals in an algebraic expression with numbers |
speed | a rate that compares the distance travelled to the time taken |
speedometer | measures the instantaneous speed of a vehicle |
odometer | measures the distance travelled by the vehicle |
stopping distance | the distance a vehicle travels from the time a driver sees an event occurring to the time the vehicle is brought to a stop. |
reaction distance | the distance travelled by the vehicle from the time the hazard first occurs to when the driver first stats breaking |
equation | a mathematical statement that says that two things are equal. |
linear equation | an equation where all the variables are raised to the power of 1 |
solving an equation | the process of finding the unknown value for the variable |
formula | a mathematical relationship between two or more variables |
subject of the formula | when a formula has a pronumeral with no numbers on the left hand side of the equals sign |
blood alcohol content | a measure of the amount of alcohol in the blood |
concentration | a measure of how much of a given substance is mixed with another substance |