Exercise 11

Are the equations below linear equations in one variable?

  1. \(\sqrt{9-5.5r}=7\)

    • is

    • is not

    a linear equation in one variable.

  2. \(2-3r^{2}=18\)

    • is

    • is not

    a linear equation in one variable.

  3. \(x-6q^{2}=27\)

    • is

    • is not

    a linear equation in one variable.

  4. \(2\pi r=2\pi\)

    • is

    • is not

    a linear equation in one variable.

  5. \(8.59y=-9\)

    • is

    • is not

    a linear equation in one variable.

  6. \(12-3z=4\)

    • is

    • is not

    a linear equation in one variable.

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