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Write a linear inequality statement for the following graph

If we write the slope asthen from the point 0,4 we move one unit in the positive direction parallel to the x-axis and then move three units in the negative direction parallel to the y-axis.

The point 3,1 will be easy to locate. Use the y-intercept and the slope to draw the graph, as shown in example 8. In this table we let x take on the values 0, 1, and 2.

The change in x is -4 and the change in y is 1. Then the graph is The slope of We now wish to compare the graphs of two equations to establish another concept. The answer to this question is yes.

We can do this since the choices for x were arbitrary. To graph a linear inequality 1. A system of two linear inequalities consists of linear inequalities for which we wish to find a simultaneous solution.

Since an equation in two variables gives a graph on the plane, it seems reasonable to assume that an inequality in two variables would graph as some portion or region of the plane.

The slope from one point on a line to another is the ratio. Solve a system of two linear equations if they are given in nonstandard form. Equations in two unknowns that are of higher degree give graphs that are curves of different kinds.

Their point of intersection will be the solution of the system. In other words, we will sketch a picture of an equation in two variables. Find several ordered pairs that make a given linear equation true. In other words, we want all points x,y that will be on the graph of both equations.

Sometimes it is possible to look ahead and make better choices for x. The solution set is the half-plane above and to the right of the line.

Equations in the preceding sections have all had no fractions, both unknowns on the left of the equation, and unknowns in the same order. As a check we substitute the ordered pair 3,4 in each equation to see if we get a true statement. To solve a system of two equations with two unknowns by addition, multiply one or both equations by the necessary numbers such that when the equations are added together, one of the unknowns will be eliminated.

Check this ordered pair in both equations.

Remember, x is written first in the ordered pair. Independent equations have unique solutions. We could write this inequality as: If one point of a half-plane is in the solution set of a linear inequality, then all points in that half-plane are in the solution set.

We could choose any values at all. These are numbered in a counterclockwise direction starting at the upper right. The check is left up to you. Define a variable, write an inequality, and solve each problem.

Check your solution. (' Write three linear inequalities that are equivalent to y Then graph the solution y Define a variable, write an inequality, and solve }. Examples 1–3 Write an inequality for each sentence. 1. The movie will be no more than 90 minutes in length. 2. The mountain is at least feet tall.

Examples 4 and 5 Graph each inequality on a number line. 3.a ≤ 6 4. b > 4 5. c ≥ 7 6.d. To graph the solution to this system we graph each linear inequality on the same set of coordinate axes and indicate the intersection of the two solution sets.

Note that the solution to a system of linear inequalities will be a collection of points. Improve your math knowledge with free questions in "Write inequalities from graphs" and thousands of other math skills.

Fit an algebraic two-variable inequality to its appropriate graph. Practice: Two-variable inequalities from their graphs. Intro to graphing systems of inequalities. Graphing systems of inequalities. Modeling with linear inequalities Site Navigation. Our mission is to provide a.

The important thing about inequalities is that there are multiple possible solutions. For example, the inequality “50 ≥ the number of stars on any United States flag” is a true statement for every American flag ever flown—no flag has had over 50 stars.

Write a linear inequality statement for the following graph
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Writing, Solving, and Graphing Inequalities in One Variable