The Coordinate PlaneATI TEAS 7 cheat sheet

Over, then up

9 key facts Reviewed Oct 2026

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The Basics

Points are (x, y) — horizontal first, then vertical
The axes cross at the origin (0, 0)

Quadrants

I (+,+) upper right
II (−,+) upper left
III (−,−) lower left
IV (+,−) lower right

Distance & Midpoint

Midpoint = average of the x's, average of the y's
Distance on a straight line = subtract the differing coordinate

Plotting

Always move along x first — (3, −2) is right 3, down 2

Key takeaway

Over, then up

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