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6 September, 13:58

Choose the equations that are not linear equations.

- x - y = 2

x2 + y = 4

- y - 1

x=5

Canvas

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  1. 6 September, 16:57
    0
    Answer: x^2+y=4 and - y-1 are not linear equations.

    Step-by-step explanation:

    The exponent in x^2 indicates this is a polynomial equatuon, because when graphed, it doesn't form a line.

    In - y-1, there is no given x value. y is an output of a solved x equation, so without an x, it cannot be completed. Equations depend on a number that can be plugged in. When graphed, it appears as an error.

    -x-y=2 is linear because it can be rearranged to solve for y and can be graphed as linear.

    x=5 is linear because it gives an input value, and shows that the output value when solved is 0 (no y means it will always be 0). When graphed, it shows a straight line, which is linear.
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