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Why graph on the Cartesian coordinate system?
You do not have to. You could use polar coordinates, if you prefer.
What is the first number in an orderd pair called?
The abscissa in Cartesian coordinates. In polar coordinates, it would be the radius .or domain
What is another representation of the polar coordinate (8-45)?
53
X squared plus y squared equals 2y.change into polar equation?
x2+y2=2y into polar coordinates When converting Cartesian coordinates to polar coordinates, three standard converstion factors must be memorized: r2=x2+y2 r*cos(theta)=x r*sin(theta)=y From these conversions, you can easily get the above Cartesian equation into polar coordinates: r2=2rsin(theta), which reduces down (by dividing out 1 r on both sides) to: r=2sin(theta)
What is the second number in a order pair?
If cartesian coordinates are used then the second number in an ordered pair is the y coordinate, also known as the ordinate. If polar coordinates are used then the second number is the angle.
