You may want to review that section. No matter how far these lines are extended, they will never intersect. For an equation in two variables, the variable associated with the first component of a solution is called the independent variable and the variable associated with the second component is called the dependent variable.

These are numbered in a counterclockwise direction starting at the upper right. The point 3,1 will be easy to locate. First we know that the solutions to an equation do not change if every term of that equation is multiplied by a nonzero number. The graph of a first-degree equation in two variables is a straight line.

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.

However, is undefined, so that a vertical line does not have a slope. Using the intercepts to graph an equation is called the intercept method of graphing. The example above was a system of independent equations.

The zero point at which they are perpendicular is called the origin.

However, your work will be more consistently accurate if you find at least three points. Draw a straight line through those points that represent the graph of this equation.

To graph a linear inequality 1. Graph two or more linear inequalities on the same set of coordinate axes. We then find the values for y by using the equation. Therefore, draw a solid line to show that it is part of the graph.

If you choose to eliminate y, multiply the first equation by - 2 and the second equation by 3. Always start from the y-intercept. We then shade this half-plane. Many students forget to multiply the right side of the equation by Neither unknown will be easier than the other, so choose to eliminate either x or y.

The graph of a linear inequality in two variables is a half-plane. Since the line itself is not a part of the solution, it is shown as a dashed line and the half-plane is shaded to show the solution set.Write an inequality for the given sentence. The home team needs more than 6 points to win.

User: Solve the problem by writing an inequality. If the perimeter of a rectangular picture frame must be less than in., and the width is 36 in., what must the height h of the frame be? A. h 64 in. B. h in.

C. h > in. D. h > 64 in. Weegy: Answer: The height h of the frame is C. [ h Graphing Linear Inequalities. This is a graph of a linear inequality: The inequality y ≤ x + 2. You can see the y = x + 2 line, and the shaded area is where y is less than or equal to x + 2. The inequality already has "y" on the left and everything else on the right, so no need to rearrange.

2. To graph the inequality y = -x + 6, we first graph the equation y = -x + 6 shown in Figure Notice that (3, 3), (3, 2), (3, 1), (3, 0), and so on, associated with the points that are on or below the line, are all solutions of the inequality y = -x + 6, whereas (3,4), (3, 5), and (3,6), associated with points above the line are not solutions of the inequality.

High School Math Solutions – Inequalities Calculator, Rational Inequalities Last post, we talked about solving quadratic inequalities. In this post, we will talk about rational inequalities. Write the equation of a line in slope-intercept form.

Graph a straight line using its slope and y-intercept. We now wish to discuss an important concept called the slope of a line.

Intuitively we can think of slope as the steepness of the line in relationship to the horizontal. Following are graphs of several lines.

DownloadWrite an inequality for the graph weegy work

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