Proportional relationship between the variables y and x

3 answers
Question:

Proportional relationship between the variables y and x

Answers

If the line is straight pointing diagonally to the top right corner then it is a proportinal relationship.

Step-by-step explanation:

if the line is diagonally upwards to the right, then if x increase, y increases, and if x decreases, then y increases.

for an equation, x must be positive. for example

y=-2x is not proportional but y=3x is

for the question in the photo the equation is y=x

y=24x

Y changes 24 each time x goes up 1

Some textbooks describe a proportional relationship by saying that " y varies proportionally with x " or that " y is directly proportional to x ."

Step-by-step explanation:

This means that as x increases, y increases and as x decreases, y decreases-and that the ratio between them always stays the same.

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