SSC
PHYSICS
Question
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A graph of two variables that are directly proportional can be fully described as..

a straight line


linear


has a negative gradient


a straight line through the origin

Explanation:
Detailed explanation1: A graph of a proportional relationship is a straight line that passes through the origin. The constant of a proportionality in a graph of a proportional relationship is the constant ratio of y to x (the slope of the line).
Detailed explanation2: The graph of a proportional relationship is a straight line that passes through the origin.
Detailed explanation3: Determining if a relationship is proportional If the graph of a relationship is a line or a ray through the origin, then it is proportional. If it is a line or ray that does not pass through the origin, then it is not proportional.
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