# How to find m on a graph

Use the grid to find two simple points, preferably integers. The equation to find the slope with two points is. slope = (y2 - y1) / (x2 - x1) using the points (x1, y1) and (x2, y2) for

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## Equation of a Straight Line

m = 2 1 = 2. b = 1 (value of y when x=0) Putting that into y = mx + b gets us: y = 2x + 1. With that equation we can now choose any value for x and find the matching value for y. For

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## Slope-Intercept Form from a Graph

The slope m of a line is one of the elements in the equation of a line when written in the slope and intercept form: y = mx+b. The m in the equation is the slope of the line described here. For

## Writing linear equations using the slope-intercept form

Graph m(x) = x m ( x) = x on the Cartesian plane to the right. The domain of m(x) m ( x) is: The range of m(x) m ( x) is: If any of the above do not exist, leave the answer box blank. 1 2 3 4 5 6

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## Meaning of y = mx + b

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## GRAPHING LINEAR EQUATIONS

Step 1. Plot and label 2 points on the line, anywhere on the line. Remember that the slope of a line never changes, so you can choose whatever 2 points you want and you will always get the

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