# How to complete ordered pairs

Pre-Algebra Examples

Feb 13,  · Complete Ordered Pairs to Make a Solution to Linear Equations. Complete a table of values that satisfy a two variable equation; Find any solution to a two variable equation. In the previous examples, we substituted the $x\text{- and }y\text{-values}$ of a given ordered pair to determine whether or not it was a solution to a linear equation. But how do we find the ordered pairs if they are not.

An ordered pair is a pair of numbers in a specific order. For example, 1, 2 and - 4, 12 are ordered pairs. Ordered pairs are often used to represent two variables. The number which corresponds to the value of x is called the x-coordinate and the number which corresponds to the value of y is called the y-coordinate. Example 1. Example 2. Not a solution. We have graphed values on the number line in pre- algebra and in earlier chapters of algebra.

However, we can only graph points of one what can you do with a master of public health on the number line; thus, we need a 2-dimensional 2 variable way of representing points -- the xy-graph: xy-graph The horizontal axis, called the x-axis, represents values of xand the vertical axis, called the y-axis, represents values of y.

From now on, the word "graph" will refer to the xy -graph, unless specified otherwise. To graph a point on the xy -graph, first find the x -coordinate on the x -axis. Then move up on the graph the number of spaces which is equal to the y -coordinate or move down if the y -coordinate is negative. For example, to graph 2, 3find 2 on the x -axis.

Then move up 3 spaces. To graph - 2, 1find -2 on the x -axis, then move up 1 space. To graph 1. Summary Ordered Pairs. Page 1 Page 2. Ordered Pairs An ordered pair is a pair of numbers in a specific order.

Graphing Ordered Pairs We have graphed values on the number line in pre- algebra and in earlier chapters of algebra. Take a Study Break.

Ordered Pairs

Using Ordered Pairs to Represent Variables Ordered pairs are often used to represent two variables. When we write (x, y) = (7, - 2), we mean x = 7 and y = - 2. The number which corresponds to the value of x is called the x-coordinate and the number which corresponds to the value of y . Find Three Ordered Pair Solutions. y = x ? 1 y = x - 1. Choose any value for x x that is in the domain to plug into the equation. Choose 0 0 to substitute in for x x to find the ordered pair. Tap for more steps Remove parentheses. y = 0 ? 1 y = 0 - 1. Remove parentheses. y = (0) ? 1 y = (0) - 1. Ordered Pairs: An ordered pair is an expression of two quantities that is reliant on the order by which they are written. Take for example the ordered pair for the coordinates of a point on the.

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Linear Equations and Inequalities in One Variable. Graphing Equations in Three Variables. What the Standard Form of a Quadratic can tell you about the graph.

Adding and Subtracting Fractions. Multiplying Radical Expressions. Multiplying and Dividing With Square Roots. Graphing Linear Inequalities. Absolute Value Function. Real Numbers and the Real Line. Raising an Exponential Expression to a Power. Multiplying Rational Expressions. Building Up the Denominator. Adding and Subtracting Decimals. Solving Quadratic Equations. Scientific Notation. Subtracting Reverses.

Solving Linear Equations. Dividing Rational Expressions. Solving Linear Inequalities. Working with Fractions.

Graphing Linear Equations. Rationalizing the Denominator. Estimating Sums and Differences of Mixed Numbers. Simplifying Rational Expressions. Dividing Complex Numbers. Simplifying Radicals Involving Variables. Compound Inequalities.

Factoring Special Quadratic Polynomials. Simplifying Complex Fractions. Multiplying Polynomials. Using Coordinates to Find Slope. Variables and Expressions. Using Proportions and Cross. Solving Equations with Radicals and Exponents. Sample Problem. Find GCF. Find LCM. Depdendent Variable. Number of equations to solve:.

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