In which quadrant or on which axis would you find the point (4,0)?

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In which quadrant or on which axis would you find the point (4,0)?

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Answer 1 · 2016-05-31T12:42:18

$(4,0)$ is on the (positive) X-axis

Explanation:

A point is on the X-axis if and only if the $y$ component of its coordinate is equal to $0$ . That is $y=0$ for all points on the X-axis and is only equal to $0$ for points on the X-axis.

For a point on the X-axis the point is
$color(white)("XXX")$ on the positive X-axis if the $x$ component is $> 0$
$color(white)("XXX")$ on the negative X-axis if the $x$ component is $< 0$
$color(white)("XXX")$ at the origin if the $x$ component is $= 0$

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In which quadrant or on which axis would you find the point (4,0)?

1 Answer

Explanation:

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