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Chapter 21.11
Graphing linear functions using a single point and slope
What You'll Learn
Plot a point on the coordinate plane using given coordinates
Apply slope as rise over run to find a second point from the first
Draw a linear function by connecting two points with a straight line
Identify x-intercepts and y-intercepts from a graph of a line
Calculate slope from a graph using two known points
Recognize special cases: zero slope for horizontal lines and undefined slope for vertical lines
What You'll Practice
1
Graphing lines given a point and positive or negative slope
2
Plotting lines with slope in fraction form using rise over run
3
Drawing horizontal and vertical lines with zero and undefined slopes
4
Finding x-intercepts, y-intercepts, and slope from given graphs
Why This Matters
Graphing linear functions using a point and slope builds your foundation for algebra and coordinate geometry. You'll use this skill to model real-world relationships, solve systems of equations, and analyze data in science and economics courses.
Before You Start — Make Sure You Can:
This Unit Includes
10 Video lessons
Skills
Graphing
Slope
Intercepts
Linear Functions
Coordinate Plane
Rise Over Run
Point-Slope Method
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