This math skill teaches how to find the distance between two points that lie on a straight horizontal line on the Cartesian grid. The distance is determined solely by the change in the 'X' coordinates since the 'Y' coordinate remains constant.
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Cartesian grid distance in a straight line
Test your understanding of cartesian grid distance in a straight line by practicing it! Work through the below exercises to use it in practice.
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What is the distance between these two points?
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Let's place them on the Cartesian grid to see the problem a bit more clearly
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We can see that 'Y' does not change
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So our distance is just the change in 'X' as it goes from 2 to 5.So that's a distance of 3