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Does the point (5.5,3) lie on the line = 2− 8? Explain. If not on the line, is it above or below the

User Volhv
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Final answer:

The point (5.5, 3) lies on the line y = 2x - 8 because when we substitute x = 5.5 into the equation, the resulting y-coordinate matches the y-coordinate of the point.

Step-by-step explanation:

To determine if the point (5.5, 3) lies on the line y = 2x - 8, we can substitute the x-coordinate of the point into the equation and see if the y-coordinate matches the result. Plugging in x = 5.5 into the equation, we get:

y = 2(5.5) - 8

y = 11 - 8

y = 3

This matches the y-coordinate of the point (5.5, 3), so the point indeed lies on the line. If a point did not lie on the line, we could determine if it is above or below by seeing if its y-coordinate is greater (above) or less (below) than the line's y-coordinate at that x-value.

User Jonathon Watney
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