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Show how you know (5, 6.5) is or is not a solution to the equation y = -1/2x + 9 above.
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4 votes
Show how you know (5, 6.5) is or is not a solution to the equation y = -1/2x + 9 above.

User David Fevre
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1 Answer

4 votes
You would insert your coordinates to see if it is a solution.

x=5 y=6.5 So your new equation is

6.5 = -1/2(5)+9

This is a solution because -1/2(5) is equal to -2.5, and then -2.5 + 9 is equal to 6.5


User Kentaro Okuda
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7.9k points
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