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Which equation CANNOT be written in the form y = kx?

Some equations have the form y = mx + b when b is 0 – Item 32098
Which equation CANNOT be written in the form y = kx?
y = x
y = x – 7
x = 1/3
y = -0.5x




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What is the capital of Egypt? ( Cairo )

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  1. The equation that CANNOT be written in the form y = kx is x = 1/3.

    Explanation: The equation y = kx represents a linear equation where y varies directly with x, meaning it has a slope (k) and y-intercept (b = 0). The equation x = 1/3 does not involve y; it describes a vertical line where x is always 1/3, so it cannot be expressed in the form y = kx. The other equations involve y and can be rearranged to this form.

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