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### 21 Cards in this Set

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• Back
 Who invented coordinate geometry? Rene DesCartes How many quadrants are there? 4 What is another name of the point of intersection of the two axes? origin What are the cordinates of the origin? (0,0) What is another name for the y-coordinate of a point? ordinate What is another name for the x- coordinate of a point? abscissa What is another name for the y-axis? vertical axis What is another name for the ordinate? y-coordinate In what quadrant is the point (3, -4)? IV four what is the ordinate of the point (-2, 1) 1 In what quadrant is the point (-5, -6)? III What is the plural form of "axis"? axes What is another name for the abscissa? x-coordinate What kind of numbers do u use to label the quadrants? Roman numerals What is another name for the horizontal axis? x-axis What is another name for the vertical axis? y-axis In what quadrant is the point (7,0)? NONE! On what axis is the point (0, -4)? y axis On what quadrant is the point (-5, 0) x axis Is the point (7, 0) the same as (0, 7)? NO Is the point (-4, 5) the same as (5, -4)? NO