These four sections are called quadrants. The intersecting x- and y-axes of the coordinate plane divide it into four sections. Identify quadrants and use them to plot points If the y-coordinate is positive, move up if the y-coordinate is negative, move down. Beginning at the x-coordinate, move vertically, the direction of the y-axis, the distance given by the y-coordinate. If the x-coordinate is positive, move to the right if the x-coordinate is negative, move to the left. Beginning at the origin, move horizontally, the direction of the x-axis, the distance given by the x-coordinate. The value of the expression for specific values of x.Steps for Plotting an Ordered Pair ( x, y) in the Coordinate Plane Used to name an algebraic expression in the variable x, can also be used to denote Pair that is paired with a specified first component. Sometimes, we use a special notation to name the second component of an ordered In this form, we obtain values of y for given values of x as follows: Now, dividing each member by 2, we obtain Solve 2y - 3x = 4 explicitly for y in terms of x and obtain solutions for x = 0,
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