math chap 1 vocab

# math chap 1 vocab - 1 Rectangular coordinate...

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1. Rectangular coordinate system/Cartesian coordinate system – two real number lines that are intersected at 90 degree angles 2. x-axis – Horizontal number line 3. y-axis – vertical number line 4. origin – the point of intersection of the x and y axes where both are equal to zero 5. quadrants – The axes divide the plane into four quarters called quadrants 6. ordered pair – each point in the rectangular coordinate system corresponds to an ordered pair of real numbers ( x,y ) 7. x-coordinate – the first number of each pair denotes the distance and direction from the origin along the x-axis 8. y-coordinate – the second number in each pair denotes vertical distance and direction along a line parallel to the y-axis or along the y-axis itself 9. variable – a letter or symbol used to represent an unknown quantity 10. constant – a known quantity 11. term – variables used in an equation 12. equation – formed when an equal sign is placed between two algebraic expressions 13. equation in two variables – relationship between two quantities

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math chap 1 vocab - 1 Rectangular coordinate...

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