Intermediate Algebra Tutorial Factoring Special Products This tutorial covers: Factoring Polynomials This tutorial covers:

General Equation of a Line: The properties of the line such as slope and x and y intercepts are also explored.

The investigation is carried out by changing the coefficients a, b, and c and analyzing their effects on the properties of the graph. The properties of the graph such as slope and x and y intercepts are also explored. Interactive Tutorial Using Java Applet Click on the button above "click here to start" and maximize the window obtained.

Example Find the x and y intercepts of the graph of the equations given below. The x intercept is at 10. The y intercept is at 0 The x intercept is at 00. The y intercept is at 00. This will define equation in the example above, part a.

Locate the x and y intercepts and compare with the solution above. This will define equation in the example above, part b. Does the position of the x intercept change?

Does the position of the y intercept change? Set a, b and c to some values. Drag the red markers so that they are on the line, read their coordinates and find the slope of the line.

More pages related to this topic can be found in this site.The standard form for linear equations in two variables is Ax+By=C. For example, 2x+3y=5 is a linear equation in standard form. When an equation is given in this form, it's pretty easy to find both intercepts (x and y).

This form is also very useful when solving systems of two linear equations.

Standard Form and Intercepts Algebra On a graph, the x-intercept is where the line crosses the x-axis. The y-intercept is where a line crosses the y-axis. Practice: Look at the graphs below and give the coordinates of the x and y-intercepts. If you need help in preparing for the math part of the GRE general test, you have come to the right place.

Note that you do not have to be a .

In statistics, linear regression is a linear approach to modelling the relationship between a scalar response (or dependent variable) and one or more explanatory variables (or independent variables).The case of one explanatory variable is called simple linear timberdesignmag.com more than one explanatory variable, the process is called multiple linear regression. Simply knowing how to take a linear equation and graph it is only half of the battle. You should also be able to come up with the equation if you're given the right information. The slope of a line in the plane containing the x and y axes is generally represented by the letter m, and is defined as the change in the y coordinate divided by the corresponding change in the x coordinate, between two distinct points on the line. This is described by the following equation: = . (The Greek letter delta, Δ, is commonly used in .

Image Source: Google Images. Babies usually follow a straight line of increasing body length as they start growing. This baby was born 20 inches long (y-intercept), and has been growing at a . In Correlation we study the linear correlation between two random variables x and y.

We now look at the line in the xy plane that best fits the data (x 1, y 1), , (x n, y n).. Recall that the equation for a straight line is y = bx + a, where b = the slope of the line a = y-intercept, i.e. the value of y where the line intersects with the y-axis.

For our purposes we write the equation . The following questions are intended to help you judge your preparation for the final exam. Carefully work through the problems. These questions are repeated on the preparation quiz for this lesson.

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Writing linear equations in all forms (video) | Khan Academy