Question

In the following exercises, graph each equation. $y=-2$

   In the following exercises, graph each equation. 
$y=-2$

Elementary Algebra

Elementary Algebra

Lynn Marecek 2nd Edition

Chapter 4, Problem 110

Instant Answer

Solved by Expert Karla Conrey

07/17/2021

Step 1

The equation given is $y=-2$. This means that no matter what the value of $x$ is, the value of $y$ will always be $-2$. Show more…

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In the following exercises, graph each equation. $y=-2$

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Key Concepts

Cartesian Coordinate System

The Cartesian coordinate system provides a plane defined by two perpendicular axes (x and y) which is used to plot points and graph equations. It is fundamental for visualizing relationships between algebraic expressions and their geometric representations.

Graphing Equations

Graphing equations involves plotting the set of all points that satisfy an algebraic equation on the coordinate plane. This technique helps in visualizing functions and understanding how changes in variables affect the graph.

Horizontal Lines

A horizontal line is described by an equation of the form y = k, where k is a constant. This means that no matter what the x-value is, the y-value remains the same, resulting in a line that runs parallel to the x-axis.

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