To determine who is correct in plotting the point \((-61/2, 3)\) on a coordinate grid, let's first clarify how to plot the point correctly.
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Understanding the Coordinates: The point \((-61/2, 3)\) has:
- The x-coordinate: \(-61/2\), which is equivalent to -30.5.
- The y-coordinate: \(3\).
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Plotting the Point:
- Start at the origin (0, 0).
- Move left along the x-axis to -30.5 (which is halfway between -30 and -31 on the grid).
- From -30.5, move up to \(3\) on the y-axis.
If CJ plotted the point correctly at \((-30.5, 3)\) and Marlene made a mistake with either the x-coordinate or y-coordinate, we would determine that CJ is correct, and Marlene likely either miscalculated -61/2 or plotted the y-coordinate incorrectly.
To conclude, without the actual work shown by CJ and Marlene, we can't definitively say who is right or what the specific mistake was; however, verifying the conversion of the fraction and ensuring proper direction on the grid would clarify any discrepancies.
If you provide CJ and Marlene's specific plots, I can help identify the exact mistakes and conclude who was correct.