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Linear Relationships, SM-Bank 056 MC

Which of the following points lies on the line \(y=2x-4\)?

  1. \((0 , 2)\)
  2. \((-2 , 8)\)
  3. \((2 , -1)\)
  4. \((-1, -6)\)
Show Answers Only

\(D\)

Show Worked Solution

\(\text{Check each option by substituting into }y=2x-4\)

\(\text{Option A:}\ \ \ \) \(2\) \(\ne 2\times 0-4=-4\)
\(\text{Option B:}\) \(8\) \(\ne 2\times (-2)-4=-8\)
\(\text{Option C:}\) \(-1\) \(\ne 2\times 2-4=0\)
\(\text{Option D:}\) \(-6\) \(=2\times (-1)-4=-6\ \ \ \checkmark\)

 
\(\therefore\ (-1, -6) \text{ lies on the line}\ \ y=2x-4\)

\(\Rightarrow D\)

Filed Under: Linear Relationships Tagged With: num-title-ct-core, smc-4216-25-Straight lines

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