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Basic Algebra

Basic Algebra

Example 1

In which quadrant(s) are both the x and y coordinates the same sign?

Example 2

If a point has a y coordinate of zero, which axis does it lie on?

Example 3

Do these points lie in a straight line: (-8, -1), (-6, 1), (-4, 3) and (0, 7)?

Example 4

What type of quadrilateral do these points form: (-3, 1), (4, 1), (2, -2) and (-5, -2)?

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