Answer:-
To determine which equations in exercises 1-6 are linear, look for equations that can be written in the standard form ???? ???? + ???? ???? = ???? ax+by=c, where ???? a, ???? b, and ???? c are constants, and the variables ???? x and ???? y are raised only to the first power. Linear equations do not include exponents, square roots, or products of variables. For example, equations like 2 ???? + 3 ???? = 6 2x+3y=6 or ???? = 4 ???? − 1 y=4x−1 are linear. However, equations such as ???? 2 + ???? = 5 x 2 +y=5 or ???? ???? = 7 xy=7 are not linear. Check each equation to match this criteria.
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