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Make sure the linear equation is in the form y = mx + b. This is called the y-intercept form, and it's probably the easiest form to use to graph linear equations. The values in the equation do not need to be whole numbers. Often you'll see an equation that looks like this: y = 1/4x + 5, where 1/4 is m and 5 is b.

m is called the "slope," or sometimes "gradient." Slope is defined as rise over run, or the change in y over the change in x.

b is defined as the "y-intercept." The y-intercept is the point at which the line crosses the Y-axis.

x and y are both variables. You can solve for a specific value of x, for example, if you have a y point and know the m and b values. x, however, is never merely one value: its value changes as you go up or down the line.

Plot the b number on the Y-axis. Your b is always going to be a rational number. Just whatever number b is, find its equivalent on the Y-axis, and put the number on that spot on the vertical axis.

For example, let's take the equation y = 1/4x + 5. Since the last number is b, we know that b equals 5. Go 5 points up on the Y-axis and mark the point. This is where your straight line will pass through the Y-axis.

Convert m into a fraction. Often, the number in front of x is already a fraction, so you won't have to convert it. But if it isn't, convert it by simply placing the value of m over 1.

The first number (numerator) is the rise in rise over run. It's how far the line travels up, or vertically.

The second number (denominator) is the run in rise over run. It's how far the line travels to the side, or horizontally.

For example:

A 4/1 slope travels 4 points up for every 1 point over.

A -2/1 slope travels 2 points down for every 1 point over.

A 1/5 slope travels 1 points up for every 5 points over.

Start extending the line from b using slope, or rise over run. Start at your bvalue: we know that the equation passes through this point. Extend the line by taking your slope and using its values to get points on the equation.

Continue extending the line, using a ruler and being sure to use the slope, m, as a guide. Extend the line indefinitely and you're done graphing your linear equation.

Q: How do you graph equations on x and y axes?

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The x-axis is the horizontal line on an x and y graph.

The variables that you are plotting on the graph!

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Y=|x+2|