Mathematics, 17.02.2021 22:10 CarlosCooke2

A school is purchasing graphing calculators for use in math classrooms. The graph shows a relationship between the number of graphing calculators purchased and the total cost. The constant of proportionality is 120. True or false
If a graph is a straight line, it shows a proportional relationship. True or false
Any graph that passes through origin represents a proportional relationship. True or false.
A graph must be a straight line and go through the point (0,0) in order to represent a proportional relationship. True or false.
PLEASE HELP!!

A school is purchasing graphing calculators for use in math classrooms. The graph shows a relations

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A school is purchasing graphing calculators for use in math classrooms. The graph shows a relationsh...