It is an expression, not an equation and so cannot be proportional nor non-proportional.
To find an unknown value in a proportional relationship, you can set up a ratio equation based on the known values. For example, if you have a proportional relationship expressed as ( \frac{a}{b} = \frac{c}{d} ), where ( a ) and ( b ) are known values, and ( c ) is the unknown, you can cross-multiply to solve for ( c ) by rearranging the equation to ( c = \frac{a \cdot d}{b} ). This allows you to calculate the unknown value while maintaining the proportional relationship.
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If each side of the equation is a fraction, then it is a proportion.
11
You cannot represent a proportional relationship using an equation.
It is an expression, not an equation and so cannot be proportional nor non-proportional.
To find an unknown value in a proportional relationship, you can set up a ratio equation based on the known values. For example, if you have a proportional relationship expressed as ( \frac{a}{b} = \frac{c}{d} ), where ( a ) and ( b ) are known values, and ( c ) is the unknown, you can cross-multiply to solve for ( c ) by rearranging the equation to ( c = \frac{a \cdot d}{b} ). This allows you to calculate the unknown value while maintaining the proportional relationship.
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According to the equation [ y = 2x ], 'y' is directly proportional to 'x' .
If each side of the equation is a fraction, then it is a proportion.
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Answer: ProportionalorDirectly Proportional
If it passes through the origin
The equation ( y = 13x ) does represent a proportional relationship between ( x ) and ( y ). In this equation, ( y ) is directly proportional to ( x ) with a constant of proportionality equal to 13. This means that if ( x ) increases or decreases, ( y ) will change by the same factor, maintaining a constant ratio of ( \frac{y}{x} = 13 ).
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You can use a plot diagram to plot the points and if they all go straight through the origin then it is proportional