Practice Problems

  1. Which ordered pair is a solution of the equation?

    \( y=3x+5\)

    Choose 1 answer:

    1. Only (2, 11)
    2. Only (3, 13)
    3. Both (2, 11) and (3, 13)
    4. Neither
  2. Which ordered pair is a solution of the equation?

    \(y+1=3(x-4)\)

    Choose 1 answer:

    1. Only (4, -1)
    2. Only (5 , 2)
    3. Both (4, -1) and (5 , 2)
    4. Neither

  3. Which ordered pair is a solution of the equation?

    \( y=7x-2\)

    Choose 1 answer:

    1. Only (3, 15)
    2. Only (-1 , -10)
    3. Both (3, 15) and (-1 , -10)
    4. Neither

  4. Which ordered pair is a solution of the equation?

    \( -3x+5y=2x+3y\)

    Choose 1 answer:

    1. Only (2, 4)
    2. Only (3 ,3)
    3. Both (2, 5) and (3 ,3)
    4. Neither

Source: Khan Academy, https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:linear-equations-graphs/x2f8bb11595b61c86:two-variable-linear-equations-intro/e/plugging_in_values
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