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Chapter 14.9
Graphing Linear Functions Using X and Y Intercepts
Master the art of graphing linear functions using x and y intercepts. Our comprehensive guide provides clear explanations, step-by-step instructions, and practical examples to enhance your algebra skills.
What You'll Learn
Identify x-intercepts by setting y equal to zero and solving for x
Identify y-intercepts by setting x equal to zero and solving for y
Plot intercepts as coordinate points on a graph
Connect two intercepts with a straight line to complete the graph
Apply intercept method to linear equations in slope-intercept and standard form
What You'll Practice
1
Finding x- and y-intercepts from equations like y = 2x + 7
2
Graphing lines in standard form (e.g., 3x + 5y = -6)
3
Working with fractional coefficients and intercepts
4
Plotting intercept coordinates and drawing the resulting line
Why This Matters
Graphing with intercepts is one of the fastest and most reliable methods for visualizing linear relationships. You'll use this technique throughout algebra, in science labs to plot data, and in real-world applications like budgeting and trend analysis.
Before You Start — Make Sure You Can:
This Unit Includes
6 Video lessons
Practice exercises
Learning resources
Skills
x-intercept
y-intercept
Graphing
Linear Functions
Coordinate Points
Standard Form
Slope-Intercept Form
