Question

The equation y =3 shows the relation in 2d plane

X=0
y=0

Y- axis can have any value
x-axis can have any value ​

Answer 1

Answer:

The Cartesian coordinate system is a 2-dimensional plane with a horizontal axis, known as the

x

x-axis, and a vertical axis, known as the

y

y-axis.

A Cartesian coordinate system specifies each point uniquely in a plane with a pair of numerical coordinates, each of which is the signed distance from the point to one of the two axes.

The numerical coordinates of a point are represented by an ordered pair

(

x

,

y

)

(x,y), where the

x

x-coordinate is the point’s distance from the

y

y-axis, and the

y

y-coordinate is the distance from the

x

x-axis.

The Cartesian coordinate system is broken into four quadrants, labeled I, II, III, and IV, starting from the upper right hand corner and moving counterclockwise.

The independent variable is found on the

x

x-axis and consists of the input values. The dependent variable is found on the

y

y-axis and consists of the output values.

Key Terms

independent variable: An arbitrary input; on the Cartesian plane, the value of

x

x.

y-axis: The axis on a graph that is usually drawn from bottom to top, with values increasing farther up.

quadrant: One of the four quarters of the Cartesian plane bounded by the

x

x-axis and

y

y-axis.

dependent variable: An arbitrary output; on the Cartesian plane, the value of

y

y.

x-axis: The axis on a graph that is usually drawn from left to right, with values increasing to the right.

ordered pair: A set containing exactly two elements in a fixed order, used to represent a point in a Cartesian coordinate system. Notation:

(

x

,

y

)

(x,y).

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Answer 2

Answer:

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