help me fast please answer both questions
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Step-by-step explanation:
a) horizontal line is called x axis
vertical line is called y axis
b). point where horizontal and vertical line meets
is described as origin
Distance from the origin to the foot of perpendicular on the x-axis is called x-coordinate or abscissa.
Distance from the origin to the foot of perpendicular on the y-axis is called y-coordinate or ordinate.
The coordinates of the origin are (0,0)
Equation of x-axis is y=0.
Equation of y-axis is x=0.
The ordered pair(x,y) is different from the ordered pair (y,x).
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