Does the equation y = 3x - 12 show a proportional relationship between x and y? Explain

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asked Nov 19, 2018 216k views

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Nearpoint · Answer 1 · 2018-11-24T02:02:32+0000

y = 3x represents a proportional relationship, whereas

y = 3x - 12 does not. What's the difference? No constant term, such as -12. Recognize direct proportion as being expressed as y = kx (no constant term).

Does the equation y = 3x - 12 show a proportional relationship between x and y? Explain

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