2 3 graphing in slope-intercept form
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The document discusses identifying and graphing the slope and y-intercept of linear equations. It explains that the x-intercept is where the line crosses the x-axis (when y=0) and the y-intercept is where it crosses the y-axis (when x=0). The slope is represented by m and the y-intercept is the point (0,b) in the equation y=mx+b. It provides instructions to find the y-intercept, use the slope to plot additional points, connect them with a line, and notes that negative values move left or down.
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2 3 graphing in slope-intercept form
- 2. The x-intercept of a line is the point where it crosses the x-axis. Occurs when y = 0 The y-intercept of a line is the point where it crosses the y-axis. Occurs when x = 0
- 3. y = mx + b Slope is m (# in front of x) y-intercept is the point (0, b)
- 4. Identify each: the slope and y-intercept for
- 5. Identify and plot the y-intercept (0, b) Use the slope m to plot more points. Connect with a line. Example: Graph y = -3x + 3
- 6. Graph each linear equation.
- 7. Graph Uh oh! What should I do if the point doesn’t fit on the graph? Use to go down and left instead!
- 8. Graph: