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Determine the relationship between x and y given the following pairs: (1, -9), (9, -81), (11, -99).

Mathematics

ScanSolve AI Answer

Answer

y=−9xy = -9x

Step-by-step solution

4 steps
  1. Examine the given input values (xx) and their corresponding output values (yy).

    We have the following pairs:

    • When x=1x=1, y=−9y=-9
    • When x=9x=9, y=−81y=-81
    • When x=11x=11, y=−99y=-99
  2. Look for a consistent mathematical operation that transforms each input value into its respective output value.

    Let's test multiplication:

    • For the first pair: 1×(−9)=−91 \times (-9) = -9.
    • For the second pair: 9×(−9)=−819 \times (-9) = -81.
    • For the third pair: 11×(−9)=−9911 \times (-9) = -99.
  3. Confirm that the operation is consistent across all pairs.

    The operation of multiplying the input value by −9-9 consistently produces the given output values.

  4. State the rule or relationship.

    The rule is that the output value (yy) is equal to the input value (xx) multiplied by −9-9.

    The rule or relationship is:

    y=−9xy = -9x
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