Question

Determine in which half-plane the point (3,4) is located with respect to the line y=2x+1

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Hermann

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118 Answers

1. Substitute x=3 into the line equation y=2x+1 .

y = 2(3) + 1 = 6 + 1 = 7

2. Comparey=7 with the y coordinate of the point, which is 4 .

3. Since4 < 7 , the point (3,4) is below the line.

Answer: The point(3,4) is located in the lower half-plane.

2. Compare

3. Since

Answer: The point

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