Which of the Following Are Linear Equations in Two Variables $y = x$

question 14

Multiple Choice

Which of the following are linear equations in two variables?

• A) \(y = x\)
• B) \(\frac { 4 } { x } - \frac { 3 } { y } = - 1\)
• C) \(2 w + 8 z = - 4 w + 3\)
• D) \(y = x ^ { 2 }\)
• E) \(2 x - x = 4\)

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Definitions:

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Research methods in which the investigator passively observes and records behavior without interfering with the subjects.

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