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Determine whether or not the the following graphs represent two qualities that are proportional to each other Explain your reasoning

Determine Whether Or Not The The Following Graphs Represent Two Qualities That Are Proportional To Each Other Explain Your Reasoning class=

Sagot :

Proportional Relationships

Two quantities are proportional if one of them is obtained by multiplying the other by a constant number called the constant of proportionality (k).

It can be expressed as:

[tex]y=k\cdot x[/tex]

The equation above is the equation of a line and it has one special feature: it must pass across the origin (0,0). You can recognize if a graph represents a proportion if:

* The graph is a line

* It passes through the origin

Only one of the given graphs fulfills both conditions, Graph a.

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