Changes

When a relationship between two [[variable]]s is '''linear''' they increase by a constant amount in relation to one another.

: A [[Scatter Graph|scatter graph]] showing a '''linear''' relationship has straight [[Line of Best Fit|line of best fit]].

: On a '''linear graph'''; when one [[variable]] increases, the other increase or when one increases the other decreases.

: A '''linear relationship''' may have a non-zero [[y-intercept]].

: If the [[Line of Best Fit|line of best fit]] on for a '''linear relationship''' has a [[y-intercept]] of zero then it is called '[[Directly Proportional|directly '''proportional''']]'.

===Examples===

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