# Write an equation in the slope intercept form

A polynomial with two indeterminates is called a bivariate polynomial. Draw a line through your points.

Look at the numerator of the slope. I have a small favor to ask. As you reduce it below zero, the negative slope makes the line slope down to the right.

Count the run to the right. We are not graphing an actual equation. Over the years we have used advertising to support the site so it can remain free for everyone.

Note that all the x values on this graph are 5. We now simply draw the line through the two points as in Fig 1. The evaluation of a polynomial consists of substituting a numerical value to each indeterminate and carrying out the indicated multiplications and additions.

In the next example, we will graph a line with a negative slope. Similarly, an integer polynomial is a polynomial with integer coefficients, and a complex polynomial is a polynomial with complex coefficients. The trickiest part about graphing slope is knowing which way to rise and run if the slope is negative!

When reading the graph from left to right, the line rises if the slope is positive. In this form, the y-intercept is b, which is the constant. The word "linear" is derived from "line". For more details, see homogeneous polynomial.

One other thing to think about as we complete Example It is common, also, to say simply "polynomials in x, y, and z", listing the indeterminates allowed. If you need help with graphing an actual equation and need to know which point to plot first, visit our lesson on Slope Intercept Form.Slope-Intercept Method: Probably the most common way to graph a line is put the equation in the infamous $$\boldsymbol{y=mx+b}$$ form: graph the $$y$$-intercept point first, and then use the slope to go back and forth, and up and down from that first point.

For our equation $$\displaystyle y=-\frac{2}{3}x-2$$, the slope $$\displaystyle m=-\frac{2}{3}$$, and the $$y$$-intercept $$b$$ = –2. After completing this tutorial, you should be able to: Find the slope given a graph, two points or an equation.

Write a linear equation in slope/intercept form. Improve your math knowledge with free questions in "Slope-intercept form: write an equation" and thousands of other math skills. Find the equation of a line with the given slope and y-intercept. Express your answer in slope intercept form. Find the equation of the line with the given slope that passes through the given point.

The vertical line shown in this graph will cross the x-axis at the number given in the equation. For this equation, the x-intercept is. Notice this line will never cross the y-axis.

A vertical line (other than x = 0) will not have a y-intercept. The line x = 0 is another special case since x = 0 is the equation of the y-axis. Now that you have these tools to find the intercepts of a line. 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).

Write an equation in the slope intercept form
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