Question Select the%C2%A0two%C2%A0expressions that are equivalent.(2 points) Responses −3x+7y negative 3 x plus 7 y 7y−3x 7 y minus 3 x −7y−3x negative 7 y minus 3 x −7y+3x

1 answer

To determine which two expressions are equivalent, we can simplify and compare each option. The expressions given are:

  1. \(-3x + 7y\)
  2. \(7y - 3x\)
  3. \(-7y - 3x\)
  4. \(-7y + 3x\)

Let's analyze the expressions:

  1. \(-3x + 7y\)
    This is in the form of \(-3x + 7y\).

  2. \(7y - 3x\)
    This can be rearranged to \(-3x + 7y\) (since addition is commutative). Thus, this expression is equivalent to the first one.

  3. \(-7y - 3x\)
    This is a different expression and has a different sign, so it is not equivalent to the first two.

  4. \(-7y + 3x\)
    This has different terms and signs from the first two expressions, so it is not equivalent.

The two equivalent expressions are:

  1. \(-3x + 7y\)
  2. \(7y - 3x\)

So, the correct answers are:

  • \(-3x + 7y\)
  • \(7y - 3x\)