20,345
edits
Changes
→Exam Marks
: When two variables are '''directly proportional''' when any value for y is divided by its corresponding value for x it will always give a constant value.
: Two variables are said to be '''directly proportional''' when they always vary by the same ratio.
===Exam Marks===
: Straight line [1 mark]
: Passing through zero / passing through the origin [1 mark]
===Examples===